Power of Two
2124 = 21267647932558653966460912964485513216
2124 = 21267647932558653966460912964485513216
21267647932558653966460912964485513216 is a perfect square (4611686018427387904 × 4611686018427387904)
21267647932558653966460912964485513216 is even
Previous even number is 21267647932558653966460912964485513214
Next even number is 21267647932558653966460912964485513218
9619630419041620901435312524449124464130795720328478190417063819395928166869436184427311097384012607618805661696
452312848583266388373324160190187140051835877600158453279131187530910662656
10000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000