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131542213016143 = 2942291264784809
BaseRepresentation
bin11101111010001100001110…
…111000010011101001001111
3122020202022102222212211102201
4131322030032320103221033
5114220141423013004033
61143433354115102331
736464416444101106
oct3572141670235117
9566668388784381
10131542213016143
1138a05814a49416
1212905918ba19a7
1358524ba38c047
14246a969ca103d
151031aac86847d
hex77a30ee13a4f

131542213016143 has 16 divisors (see below), whose sum is σ = 136122696072000. Its totient is φ = 126964705299712.

The previous prime is 131542213016003. The next prime is 131542213016177. The reversal of 131542213016143 is 341610312245131.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 131542213016143 - 221 = 131542210918991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131542213016843) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1550998323 + ... + 1551083131.

It is an arithmetic number, because the mean of its divisors is an integer number (8507668504500).

Almost surely, 2131542213016143 is an apocalyptic number.

131542213016143 is a deficient number, since it is larger than the sum of its proper divisors (4580483055857).

131542213016143 is a wasteful number, since it uses less digits than its factorization.

131542213016143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101714.

The product of its (nonzero) digits is 51840, while the sum is 37.

The spelling of 131542213016143 in words is "one hundred thirty-one trillion, five hundred forty-two billion, two hundred thirteen million, sixteen thousand, one hundred forty-three".

Divisors: 1 29 4229 12647 84809 122641 366763 2459461 53484163 358657261 1072579423 1551040727 10401060569 31104803267 4535938379867 131542213016143