Perfect Square
128679794822656341676514088900 is a perfect square (358719660490830 × 358719660490830)
128679794822656341676514088900 is a perfect square (358719660490830 × 358719660490830)
128679794822656341676514088900 is even
Previous even number is 128679794822656341676514088898
Next even number is 128679794822656341676514088902
2130743043735017946657892663486328678642809853566887273640001554821606400532415369000000
1100111111100100101101110011101110001010111101101000100001001000011111110010000000001011111000100