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12118410912 = 253301941813
BaseRepresentation
bin10110100100101000…
…00100011010100000
31011021112221001120210
423102110010122200
5144304303122122
65322255334120
7606206536026
oct132224043240
934245831523
1012118410912
115159588533
122422521340
1311b185335a
1482d642716
154add6040c
hex2d25046a0

12118410912 has 48 divisors (see below), whose sum is σ = 31822126560. Its totient is φ = 4038035712.

The previous prime is 12118410907. The next prime is 12118410923. The reversal of 12118410912 is 21901481121.

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 12118410912.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 268918 + ... + 310730.

It is an arithmetic number, because the mean of its divisors is an integer number (662960970).

Almost surely, 212118410912 is an apocalyptic number.

12118410912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12118410912 is an abundant number, since it is smaller than the sum of its proper divisors (19703715648).

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

12118410912 is a wasteful number, since it uses less digits than its factorization.

12118410912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44845 (or 44837 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 30.

The spelling of 12118410912 in words is "twelve billion, one hundred eighteen million, four hundred ten thousand, nine hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 3019 6038 9057 12076 18114 24152 36228 41813 48304 72456 83626 96608 125439 144912 167252 250878 289824 334504 501756 669008 1003512 1338016 2007024 4014048 126233447 252466894 378700341 504933788 757400682 1009867576 1514801364 2019735152 3029602728 4039470304 6059205456 12118410912