Perfect Square
256393480343670138787843542296080140334168742560000 is a perfect square (16012291539429018864451600 × 16012291539429018864451600)
256393480343670138787843542296080140334168742560000 is a perfect square (16012291539429018864451600 × 16012291539429018864451600)
10101111 01101110 01111001 01001001 11100001 00011111 10100111 11101100 01000011 01000111 01101100 01010000 10111011 10000000 11011111 10001001 10101110 00100100 00000000 00000001 00000000
256393480343670138787843542296080140334168742560000 is even
Previous even number is 256393480343670138787843542296080140334168742559998
Next even number is 256393480343670138787843542296080140334168742560002
16854696351297290050643483460791590587920989650221200244626506528572185400901877260077761514070685857533484603642777087009435329329548169216000000000000
65737616762739965829905539304093997505634618137406710382883927588614151313246265304131555353600000000