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18036508102 = 231421691001
BaseRepresentation
bin10000110011000011…
…110100010111000110
31201112222212112201121
4100303003310113012
5243414321224402
612141424544154
71205650534504
oct206303642706
951488775647
1018036508102
117716158548
1235b448205a
131915973902
14c31611674
157086ba837
hex4330f45c6

18036508102 has 16 divisors (see below), whose sum is σ = 27993873024. Its totient is φ = 8706600000.

The previous prime is 18036508099. The next prime is 18036508103. The reversal of 18036508102 is 20180563081.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18036508103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 319399 + ... + 371602.

It is an arithmetic number, because the mean of its divisors is an integer number (1749617064).

Almost surely, 218036508102 is an apocalyptic number.

18036508102 is a deficient number, since it is larger than the sum of its proper divisors (9957364922).

18036508102 is a wasteful number, since it uses less digits than its factorization.

18036508102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 691455.

The product of its (nonzero) digits is 11520, while the sum is 34.

The spelling of 18036508102 in words is "eighteen billion, thirty-six million, five hundred eight thousand, one hundred two".

Divisors: 1 2 31 62 421 842 13051 26102 691001 1382002 21421031 42842062 290911421 581822842 9018254051 18036508102