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18057516960 = 2535717316133
BaseRepresentation
bin10000110100010011…
…111101011110100000
31201121110101220110110
4100310103331132200
5243440211020320
612143455131320
71206324235020
oct206423753640
951543356413
1018057516960
117726aa783a
1235bb513b40
13191a11b2a2
14c3431da80
1570a46a5e0
hex4344fd7a0

18057516960 has 192 divisors, whose sum is σ = 68831223552. Its totient is φ = 3884630016.

The previous prime is 18057516899. The next prime is 18057516979. The reversal of 18057516960 is 6961575081.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 100947 + ... + 215186.

It is an arithmetic number, because the mean of its divisors is an integer number (358495956).

Almost surely, 218057516960 is an apocalyptic number.

18057516960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18057516960 is an abundant number, since it is smaller than the sum of its proper divisors (50773706592).

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

18057516960 is a wasteful number, since it uses less digits than its factorization.

18057516960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316175 (or 316167 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 48.

The spelling of 18057516960 in words is "eighteen billion, fifty-seven million, five hundred sixteen thousand, nine hundred sixty".