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18099052160 = 27574039967
BaseRepresentation
bin10000110110110010…
…011001111010000000
31201201100120010001012
4100312302121322000
5244031324132120
612151541300052
71210340255630
oct206662317200
951640503035
1018099052160
117748496852
123611404628
131925901827
14c39a526c0
1570de221c5
hex436c99e80

18099052160 has 64 divisors (see below), whose sum is σ = 49449208320. Its totient is φ = 6205387776.

The previous prime is 18099052151. The next prime is 18099052171. The reversal of 18099052160 is 6125099081.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

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, 2015504 + ... + 2024463.

It is an arithmetic number, because the mean of its divisors is an integer number (772643880).

Almost surely, 218099052160 is an apocalyptic number.

18099052160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18099052160 is an abundant number, since it is smaller than the sum of its proper divisors (31350156160).

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

18099052160 is an equidigital number, since it uses as much as digits as its factorization.

18099052160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4039993 (or 4039981 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 41.

The spelling of 18099052160 in words is "eighteen billion, ninety-nine million, fifty-two thousand, one hundred sixty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 64 70 80 112 128 140 160 224 280 320 448 560 640 896 1120 2240 4480 4039967 8079934 16159868 20199835 28279769 32319736 40399670 56559538 64639472 80799340 113119076 129278944 141398845 161598680 226238152 258557888 282797690 323197360 452476304 517115776 565595380 646394720 904952608 1131190760 1292789440 1809905216 2262381520 2585578880 3619810432 4524763040 9049526080 18099052160