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86868966575 = 5243103784547
BaseRepresentation
bin101000011100111001…
…0110011110010101111
322022020001021201201102
41100321302303302233
52410401423412300
6103523531233315
76163460014136
oct1207162636257
9268201251642
1086868966575
11339282a3366
1214a042a883b
13826524ca91
1442c114691d
1523d65530d5
hex1439cb3caf

86868966575 has 24 divisors (see below), whose sum is σ = 111292841088. Its totient is φ = 67219901280.

The previous prime is 86868966563. The next prime is 86868966577. The reversal of 86868966575 is 57566986868.

It is not a de Polignac number, because 86868966575 - 210 = 86868965551 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 (86868966577) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 281549 + ... + 502998.

It is an arithmetic number, because the mean of its divisors is an integer number (4637201712).

Almost surely, 286868966575 is an apocalyptic number.

86868966575 is a deficient number, since it is larger than the sum of its proper divisors (24423874513).

86868966575 is a wasteful number, since it uses less digits than its factorization.

86868966575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 784703 (or 784698 counting only the distinct ones).

The product of its digits is 1045094400, while the sum is 74.

The spelling of 86868966575 in words is "eighty-six billion, eight hundred sixty-eight million, nine hundred sixty-six thousand, five hundred seventy-five".

Divisors: 1 5 25 43 103 215 515 1075 2575 4429 22145 110725 784547 3922735 19613675 33735521 80808341 168677605 404041705 843388025 2020208525 3474758663 17373793315 86868966575