https://mathweb.ru/allsystem.html?id=127116

Умножить 10100100010000000(2) на 100000000000(2) = 1010010001000000000000000000 Столбиком

Введите два числа и укажите их основание системы счиления:

x													1	0	1	0	0	1	0	0	0	1	0	0	0	0	0	0	0
x																		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	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	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	0	0	0	0
			0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
		1	0	1	0	0	1	0	0	0	1	0	0	0	0	0	0	0
		1	0	1	0	0	1	0	0	0	1	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0

Ответ: 10100100010000000₂ * 100000000000₂ = 1010010001000000000000000000₂