https://binary2hex.com/allsystem.html?id=2617

Multiply 101011(2) on 1001100(2) = 110011000100 Column

Enter two numbers and specify their base of the number system:
x101011
1001100
+000000
000000
101011
101011
000000
000000
101011
110011000100
the Final answer: 1010112 * 10011002 = 1100110001002