Perfect Square
1000000008000000016 is a perfect square (1000000004 × 1000000004)
1000000008000000016 is a perfect square (1000000004 × 1000000004)
1000000008000000016 is even
Previous even number is 1000000008000000014
Next even number is 1000000008000000018
1101 1110 0000 1011 0110 1011 0101 1000 0100 0011 1010 0101 0000 0001 0000