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18810103056 = 2431920625113
BaseRepresentation
bin10001100001001010…
…110110010100010000
31210112220112020111120
4101201022312110100
5302010341244211
612350301442240
71234063144413
oct214112662420
953486466446
1018810103056
117a828a3918
12378b570380
131a0a00cbc4
14ca6265b7a
15751578d06
hex4612b6510

18810103056 has 40 divisors (see below), whose sum is σ = 51150282720. Its totient is φ = 5940032256.

The previous prime is 18810103049. The next prime is 18810103061. The reversal of 18810103056 is 65030101881.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10311645 + ... + 10313468.

It is an arithmetic number, because the mean of its divisors is an integer number (1278757068).

Almost surely, 218810103056 is an apocalyptic number.

18810103056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

18810103056 is an abundant number, since it is smaller than the sum of its proper divisors (32340179664).

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

18810103056 is a wasteful number, since it uses less digits than its factorization.

18810103056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20625143 (or 20625137 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 33.

The spelling of 18810103056 in words is "eighteen billion, eight hundred ten million, one hundred three thousand, fifty-six".

Divisors: 1 2 3 4 6 8 12 16 19 24 38 48 57 76 114 152 228 304 456 912 20625113 41250226 61875339 82500452 123750678 165000904 247501356 330001808 391877147 495002712 783754294 990005424 1175631441 1567508588 2351262882 3135017176 4702525764 6270034352 9405051528 18810103056