Base | Representation |
---|---|
bin | 101000011101011010… |
… | …0001000100011001101 |
3 | 22022021020111201221210 |
4 | 1100322310020203031 |
5 | 2410420314402312 |
6 | 103525342245033 |
7 | 6164055405351 |
oct | 1207264104315 |
9 | 268236451853 |
10 | 86886090957 |
11 | 33936a2a146 |
12 | 14a09b86779 |
13 | 8268967353 |
14 | 42c3523461 |
15 | 23d7cd6e3c |
hex | 143ad088cd |
86886090957 has 16 divisors (see below), whose sum is σ = 117165597120. Its totient is φ = 57265498752.
The previous prime is 86886090919. The next prime is 86886090979. The reversal of 86886090957 is 75909068868.
It is not a de Polignac number, because 86886090957 - 28 = 86886090701 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (86886090917) 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, 2502438 + ... + 2536920.
It is an arithmetic number, because the mean of its divisors is an integer number (7322849820).
Almost surely, 286886090957 is an apocalyptic number.
It is an amenable number.
86886090957 is a deficient number, since it is larger than the sum of its proper divisors (30279506163).
86886090957 is a wasteful number, since it uses less digits than its factorization.
86886090957 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 44012.
The product of its (nonzero) digits is 52254720, while the sum is 66.
The spelling of 86886090957 in words is "eighty-six billion, eight hundred eighty-six million, ninety thousand, nine hundred fifty-seven".
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