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18114912324 = 2232503192009
BaseRepresentation
bin10000110111101110…
…111010000001000100
31201202110101220002200
4100313232322001010
5244044404143244
612153305234500
71210622133315
oct206756720104
951673356080
1018114912324
117756439823
123616792a30
131928c95842
14c3bbc060c
15710506669
hex437bba044

18114912324 has 18 divisors (see below), whose sum is σ = 45790472910. Its totient is φ = 6038304096.

The previous prime is 18114912317. The next prime is 18114912331. The reversal of 18114912324 is 42321941181.

18114912324 is a `hidden beast` number, since 181 + 149 + 12 + 324 = 666.

It is an interprime number because it is at equal distance from previous prime (18114912317) and next prime (18114912331).

It can be written as a sum of positive squares in only one way, i.e., 16878686724 + 1236225600 = 129918^2 + 35160^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 503192009 = 18114912324 / (1 + 8 + 1 + 1 + 4 + 9 + 1 + 2 + 3 + 2 + 4).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 251595969 + ... + 251596040.

Almost surely, 218114912324 is an apocalyptic number.

It is an amenable number.

18114912324 is an abundant number, since it is smaller than the sum of its proper divisors (27675560586).

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

18114912324 is a wasteful number, since it uses less digits than its factorization.

18114912324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503192019 (or 503192014 counting only the distinct ones).

The product of its digits is 13824, while the sum is 36.

The spelling of 18114912324 in words is "eighteen billion, one hundred fourteen million, nine hundred twelve thousand, three hundred twenty-four".

Divisors: 1 2 3 4 6 9 12 18 36 503192009 1006384018 1509576027 2012768036 3019152054 4528728081 6038304108 9057456162 18114912324