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86538073501437 = 31311976781164837
BaseRepresentation
bin10011101011010010110111…
…001000010110111011111101
3102100101221220010121120001120
4103223102313020112323331
542320314433304021222
6504015013034101153
724141112063666125
oct2353226710267375
9370357803546046
1086538073501437
11256346554a3158
1298577a987a7b9
13393967524144c
14175267236dc85
15a010c1ce715c
hex4eb4b7216efd

86538073501437 has 32 divisors (see below), whose sum is σ = 116873011499904. Its totient is φ = 56952288556800.

The previous prime is 86538073501409. The next prime is 86538073501457. The reversal of 86538073501437 is 73410537083568.

It is a happy number.

It is not a de Polignac number, because 86538073501437 - 222 = 86538069307133 is a prime.

It is a super-2 number, since 2×865380735014372 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86538073501457) 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, 524909383 + ... + 525074219.

It is an arithmetic number, because the mean of its divisors is an integer number (3652281609372).

Almost surely, 286538073501437 is an apocalyptic number.

It is an amenable number.

86538073501437 is a deficient number, since it is larger than the sum of its proper divisors (30334937998467).

86538073501437 is a wasteful number, since it uses less digits than its factorization.

86538073501437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171949.

The product of its (nonzero) digits is 50803200, while the sum is 60.

The spelling of 86538073501437 in words is "eighty-six trillion, five hundred thirty-eight billion, seventy-three million, five hundred one thousand, four hundred thirty-seven".

Divisors: 1 3 131 197 393 591 6781 20343 25807 77421 164837 494511 888311 1335857 2664933 4007571 21593647 32472889 64780941 97418667 174997267 524991801 1117759697 3353279091 4253948459 12761845377 146426520307 220198660309 439279560921 660595980927 28846024500479 86538073501437