Perfect Square
65585329758059019749412010000 is a perfect square (256096329060100 × 256096329060100)
65585329758059019749412010000 is a perfect square (256096329060100 × 256096329060100)
11010011 11101010 11101001 11001010 01010111 11100001 11010011 11011110 11001101 00100111 01111000 00010000
65585329758059019749412010000 is even
Previous even number is 65585329758059019749412009998
Next even number is 65585329758059019749412010002
282111064354273844754487036007746539968395179453359127039230204638825143601000000000000