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115065988894 = 21741138159771
BaseRepresentation
bin110101100101001110…
…1111010011100011110
3102000000010221212200101
41223022131322130132
53341123343121034
6124505515251314
711212304524243
oct1531235723436
9360003855611
10115065988894
114488782959a
121a373449b3a
13ab09c2167c
1457d7d415ca
152ed6c36514
hex1aca77a71e

115065988894 has 32 divisors (see below), whose sum is σ = 187347922272. Its totient is φ = 52788864000.

The previous prime is 115065988861. The next prime is 115065988927. The reversal of 115065988894 is 498889560511.

It is an interprime number because it is at equal distance from previous prime (115065988861) and next prime (115065988927).

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, 1895229 + ... + 1954999.

It is an arithmetic number, because the mean of its divisors is an integer number (5854622571).

Almost surely, 2115065988894 is an apocalyptic number.

115065988894 is a deficient number, since it is larger than the sum of its proper divisors (72281933378).

115065988894 is a wasteful number, since it uses less digits than its factorization.

115065988894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61212.

The product of its (nonzero) digits is 24883200, while the sum is 64.

The spelling of 115065988894 in words is "one hundred fifteen billion, sixty-five million, nine hundred eighty-eight thousand, eight hundred ninety-four".

Divisors: 1 2 17 34 41 82 697 1381 1394 2762 23477 46954 56621 59771 113242 119542 962557 1016107 1925114 2032214 2450611 4901222 41660387 82543751 83320774 165087502 1403243767 2806487534 3384293791 6768587582 57532994447 115065988894