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18114148452 = 22312907116953
BaseRepresentation
bin10000110111101011…
…111111100001100100
31201202101222002021010
4100313223333201210
5244044210222302
612153241022220
71210612502301
oct206753774144
951671862233
1018114148452
117755a67924
123616484970
131928a88c4a
14c3ba620a8
1571040516c
hex437aff864

18114148452 has 24 divisors (see below), whose sum is σ = 42269982496. Its totient is φ = 6037530048.

The previous prime is 18114148417. The next prime is 18114148471. The reversal of 18114148452 is 25484141181.

It is a self number, because there is not a number n which added to its sum of digits gives 18114148452.

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, 96408 + ... + 213360.

Almost surely, 218114148452 is an apocalyptic number.

18114148452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18114148452 is an abundant number, since it is smaller than the sum of its proper divisors (24155834044).

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

18114148452 is a wasteful number, since it uses less digits than its factorization.

18114148452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129867 (or 129865 counting only the distinct ones).

The product of its digits is 40960, while the sum is 39.

The spelling of 18114148452 in words is "eighteen billion, one hundred fourteen million, one hundred forty-eight thousand, four hundred fifty-two".

Divisors: 1 2 3 4 6 12 12907 25814 38721 51628 77442 116953 154884 233906 350859 467812 701718 1403436 1509512371 3019024742 4528537113 6038049484 9057074226 18114148452