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18495022910 = 2571320324201
BaseRepresentation
bin10001001110011000…
…111010011100111110
31202201221122111210112
4101032120322130332
5300334211213120
612255124310022
71223216046410
oct211630723476
952657574715
1018495022910
117930a5a501
123701b42312
131989962150
14c764889b0
15733a8bbc5
hex44e63a73e

18495022910 has 32 divisors (see below), whose sum is σ = 40973591232. Its totient is φ = 5853369600.

The previous prime is 18495022853. The next prime is 18495022927. The reversal of 18495022910 is 1922059481.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10161191 + ... + 10163010.

It is an arithmetic number, because the mean of its divisors is an integer number (1280424726).

Almost surely, 218495022910 is an apocalyptic number.

18495022910 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18495022910 is an abundant number, since it is smaller than the sum of its proper divisors (22478568322).

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

18495022910 is a wasteful number, since it uses less digits than its factorization.

18495022910 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20324228.

The product of its (nonzero) digits is 51840, while the sum is 41.

The spelling of 18495022910 in words is "eighteen billion, four hundred ninety-five million, twenty-two thousand, nine hundred ten".

Divisors: 1 2 5 7 10 13 14 26 35 65 70 91 130 182 455 910 20324201 40648402 101621005 142269407 203242010 264214613 284538814 528429226 711347035 1321073065 1422694070 1849502291 2642146130 3699004582 9247511455 18495022910