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18340764700 = 2252208787881
BaseRepresentation
bin10001000101001100…
…011101110000011100
31202100012101101022111
4101011030131300130
5300030213432300
612231534123404
71216333633126
oct210514356034
952305341274
1018340764700
117861979a85
12367a350564
131963a01cbb
14c5dbb2216
1572526a9ba
hex44531dc1c

18340764700 has 36 divisors (see below), whose sum is σ = 39818982672. Its totient is φ = 7332707200.

The previous prime is 18340764677. The next prime is 18340764703. The reversal of 18340764700 is 746704381.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18340764703) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 164760 + ... + 252640.

It is an arithmetic number, because the mean of its divisors is an integer number (1106082852).

Almost surely, 218340764700 is an apocalyptic number.

18340764700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18340764700 is an abundant number, since it is smaller than the sum of its proper divisors (21478217972).

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

18340764700 is a wasteful number, since it uses less digits than its factorization.

18340764700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89982 (or 89975 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 40.

The spelling of 18340764700 in words is "eighteen billion, three hundred forty million, seven hundred sixty-four thousand, seven hundred".

Divisors: 1 2 4 5 10 20 25 50 100 2087 4174 8348 10435 20870 41740 52175 87881 104350 175762 208700 351524 439405 878810 1757620 2197025 4394050 8788100 183407647 366815294 733630588 917038235 1834076470 3668152940 4585191175 9170382350 18340764700