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86913105894 = 2333743500053
BaseRepresentation
bin101000011110001101…
…1001011111111100110
322022100010100020111000
41100330123023333212
52410444223342034
6103532145254130
76164534132166
oct1207433137746
9268303306430
1086913105894
113395020093a
1214a17034346
138271435714
1442c6d565a6
1523da371599
hex143c6cbfe6

86913105894 has 32 divisors (see below), whose sum is σ = 198360246240. Its totient is φ = 28188033696.

The previous prime is 86913105871. The next prime is 86913105911. The reversal of 86913105894 is 49850131968.

It is a super-2 number, since 2×869131058942 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 86913105894.

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, 21748029 + ... + 21752024.

It is an arithmetic number, because the mean of its divisors is an integer number (6198757695).

Almost surely, 286913105894 is an apocalyptic number.

86913105894 is an abundant number, since it is smaller than the sum of its proper divisors (111447140346).

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

86913105894 is a wasteful number, since it uses less digits than its factorization.

86913105894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43500101 (or 43500095 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 54.

The spelling of 86913105894 in words is "eighty-six billion, nine hundred thirteen million, one hundred five thousand, eight hundred ninety-four".

Divisors: 1 2 3 6 9 18 27 37 54 74 111 222 333 666 999 1998 43500053 87000106 130500159 261000318 391500477 783000954 1174501431 1609501961 2349002862 3219003922 4828505883 9657011766 14485517649 28971035298 43456552947 86913105894