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20940712059172 = 22179749921133011
BaseRepresentation
bin1001100001011101000111…
…01101000010000100100100
32202010220122020011110221111
410300232203231002010210
510221043034241343142
6112312010314154404
74260626236421323
oct460564355020444
982126566143844
1020940712059172
1167439a7041524
12242254a122a04
13b8b9154c4689
145257706080ba
15264ab164ee17
hex130ba3b42124

20940712059172 has 96 divisors (see below), whose sum is σ = 39312130032000. Its totient is φ = 9725478174720.

The previous prime is 20940712059161. The next prime is 20940712059173. The reversal of 20940712059172 is 27195021704902.

It is not an unprimeable number, because it can be changed into a prime (20940712059173) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6954735147 + ... + 6954738157.

It is an arithmetic number, because the mean of its divisors is an integer number (409501354500).

Almost surely, 220940712059172 is an apocalyptic number.

It is an amenable number.

20940712059172 is a deficient number, since it is larger than the sum of its proper divisors (18371417972828).

20940712059172 is a wasteful number, since it uses less digits than its factorization.

20940712059172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5741 (or 5739 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 49.

The spelling of 20940712059172 in words is "twenty trillion, nine hundred forty billion, seven hundred twelve million, fifty-nine thousand, one hundred seventy-two".

Divisors: 1 2 4 17 34 68 97 194 388 499 998 1649 1996 2113 3011 3298 4226 6022 6596 8452 8483 12044 16966 33932 35921 48403 51187 71842 96806 102374 143684 193612 204748 204961 292067 409922 584134 819844 822851 1054387 1168268 1502489 1645702 2108774 3004978 3291404 3484337 4217548 4965139 6009956 6362243 6968674 9930278 12724486 13937348 17924579 19860556 25448972 25542313 35849158 51084626 71698316 102169252 102275539 108158131 145741433 204551078 216316262 291482866 409102156 432632524 582965732 617137571 1234275142 1738684163 2468550284 2477604361 3174759257 3477368326 4955208722 6349518514 6954736652 9910417444 10491338707 12699037028 20982677414 41965354828 53970907369 107941814738 215883629476 307951647929 615903295858 1231806591716 5235178014793 10470356029586 20940712059172