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77234456131716 = 22313247287805381
BaseRepresentation
bin10001100011111010001100…
…010100100111100010000100
3101010110112122001011021120210
4101203322030110213202010
540110402131232203331
6432133004101355420
722161001552110612
oct2143721424474204
9333415561137523
1077234456131716
1122677a48a96384
1287b467b108b70
133413240ca0900
14151024bd546b2
158de0a35b8446
hex463e8c527884

77234456131716 has 72 divisors (see below), whose sum is σ = 195147048177984. Its totient is φ = 23763915976320.

The previous prime is 77234456131709. The next prime is 77234456131733. The reversal of 77234456131716 is 61713165443277.

It is a happy number.

It is a super-2 number, since 2×772344561317162 (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 95495346 + ... + 96300726.

Almost surely, 277234456131716 is an apocalyptic number.

It is an amenable number.

77234456131716 is an abundant number, since it is smaller than the sum of its proper divisors (117912592046268).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

77234456131716 is a wasteful number, since it uses less digits than its factorization.

77234456131716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 852701 (or 852686 counting only the distinct ones).

The product of its digits is 17781120, while the sum is 57.

The spelling of 77234456131716 in words is "seventy-seven trillion, two hundred thirty-four billion, four hundred fifty-six million, one hundred thirty-one thousand, seven hundred sixteen".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 169 338 507 676 1014 2028 47287 94574 141861 189148 283722 567444 614731 805381 1229462 1610762 1844193 2416143 2458924 3221524 3688386 4832286 7376772 7991503 9664572 10469953 15983006 20939906 23974509 31409859 31966012 41879812 47949018 62819718 95898036 125639436 136109389 272218778 408328167 544437556 816656334 1633312668 38084051347 76168102694 114252154041 152336205388 228504308082 457008616164 495092667511 990185335022 1485278002533 1980370670044 2970556005066 5941112010132 6436204677643 12872409355286 19308614032929 25744818710572 38617228065858 77234456131716