Perfect Square
128679957881440159180888473664 is a perfect square (358719887769608 × 358719887769608)
128679957881440159180888473664 is a perfect square (358719887769608 × 358719887769608)
128679957881440159180888473664 is even
Previous even number is 128679957881440159180888473662
Next even number is 128679957881440159180888473666
2130751143766807971072742272563850138455992887719463352768111981924546881760114036178944
1100111111100100110010000111111101000010100100000110010000001111110110111110000000000000001000000