Perfect Square
1000000000000000000000004000000000000000000000004 is a perfect square (1000000000000000000000002 × 1000000000000000000000002)
1000000000000000000000004000000000000000000000004 is a perfect square (1000000000000000000000002 × 1000000000000000000000002)
10101111 00101001 10001101 00000101 00001110 01000011 10010101 11010110 10010110 01110100 00000000 00110011 11101110 01111100 00110011 10110110 10000100 00000000 00000000 00000100
1000000000000000000000004000000000000000000000004 is even
Previous even number is 1000000000000000000000004000000000000000000000002
Next even number is 1000000000000000000000004000000000000000000000006
1000000000000000000000012000000000000000000000060000000000000000000000160000000000000000000000240000000000000000000000192000000000000000000000064
1000000000000000000000008000000000000000000000024000000000000000000000032000000000000000000000016