https://mathweb.ru/allsystem.html?id=359013

Умножить 10000000000000000000(2) на 111111111100111001(2) = 1111111111001110010000000000000000000 Столбиком

Введите два числа и укажите их основание системы счиления:

x																			1	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
x																					1	1	1	1	1	1	1	1	1	1	0	0	1	1	1	0	0	1
+																			1	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
																		0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
																	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
																1	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
															1	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
														1	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
													0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
												0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
											1	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
										1	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
									1	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
								1	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
							1	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
						1	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
					1	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
				1	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
			1	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
		1	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
		1	1	1	1	1	1	1	1	1	1	0	0	1	1	1	0	0	1	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0

Ответ: 10000000000000000000₂ * 111111111100111001₂ = 1111111111001110010000000000000000000₂