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86886530664860 = 22510976215229787
BaseRepresentation
bin10011110000010111011000…
…110010111100100110011100
3102101122021022201020112112002
4103300113120302330212130
542342022103322233420
6504443042100301432
724205226141005433
oct2360273062744634
9371567281215462
1086886530664860
1125759409484553
1298b32373a1878
13396349829cb04
14176548ad4c11a
15a0a1b868e075
hex4f05d8cbc99c

86886530664860 has 48 divisors (see below), whose sum is σ = 184159871908320. Its totient is φ = 34431237492480.

The previous prime is 86886530664841. The next prime is 86886530664889. The reversal of 86886530664860 is 6846603568868.

It is a super-2 number, since 2×868865306648602 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13998887 + ... + 19228673.

It is an arithmetic number, because the mean of its divisors is an integer number (3836663998090).

Almost surely, 286886530664860 is an apocalyptic number.

It is an amenable number.

86886530664860 is an abundant number, since it is smaller than the sum of its proper divisors (97273341243460).

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

86886530664860 is a wasteful number, since it uses less digits than its factorization.

86886530664860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5237526 (or 5237524 counting only the distinct ones).

The product of its (nonzero) digits is 1911029760, while the sum is 74.

The spelling of 86886530664860 in words is "eighty-six trillion, eight hundred eighty-six billion, five hundred thirty million, six hundred sixty-four thousand, eight hundred sixty".

Divisors: 1 2 4 5 10 20 109 218 436 545 1090 2180 7621 15242 30484 38105 76210 152420 830689 1661378 3322756 4153445 5229787 8306890 10459574 16613780 20919148 26148935 52297870 104595740 570046783 1140093566 2280187132 2850233915 5700467830 11400935660 39856206727 79712413454 159424826908 199281033635 398562067270 797124134540 4344326533243 8688653066486 17377306132972 21721632666215 43443265332430 86886530664860