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82869759793572 = 22317390744011021
BaseRepresentation
bin10010110101111010011110…
…100110000101100110100100
3101212102021100001012022011220
4102311322132212011212210
541330214232001343242
6452125501520300340
723312066620644663
oct2265723646054644
9355367301168156
1082869759793572
112444a95aaa2084
12936486aa716b0
13373177aac67cb
141666cbc534dda
1598a9751bbbec
hex4b5e9e9859a4

82869759793572 has 48 divisors (see below), whose sum is σ = 194694902859072. Its totient is φ = 27433301074560.

The previous prime is 82869759793553. The next prime is 82869759793577. The reversal of 82869759793572 is 27539795796828.

It is not an unprimeable number, because it can be changed into a prime (82869759793577) 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, 20122579 + ... + 23888442.

It is an arithmetic number, because the mean of its divisors is an integer number (4056143809564).

Almost surely, 282869759793572 is an apocalyptic number.

It is an amenable number.

82869759793572 is an abundant number, since it is smaller than the sum of its proper divisors (111825143065500).

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

82869759793572 is a wasteful number, since it uses less digits than its factorization.

82869759793572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44012108 (or 44012106 counting only the distinct ones).

The product of its digits is 28805414400, while the sum is 87.

The spelling of 82869759793572 in words is "eighty-two trillion, eight hundred sixty-nine billion, seven hundred fifty-nine million, seven hundred ninety-three thousand, five hundred seventy-two".

Divisors: 1 2 3 4 6 12 173 346 519 692 907 1038 1814 2076 2721 3628 5442 10884 156911 313822 470733 627644 941466 1882932 44011021 88022042 132033063 176044084 264066126 528132252 7613906633 15227813266 22841719899 30455626532 39917996047 45683439798 79835992094 91366879596 119753988141 159671984188 239507976282 479015952564 6905813316131 13811626632262 20717439948393 27623253264524 41434879896786 82869759793572