Base | Representation |
---|---|
bin | 10001100001001010… |
… | …110110010100010000 |
3 | 1210112220112020111120 |
4 | 101201022312110100 |
5 | 302010341244211 |
6 | 12350301442240 |
7 | 1234063144413 |
oct | 214112662420 |
9 | 53486466446 |
10 | 18810103056 |
11 | 7a828a3918 |
12 | 378b570380 |
13 | 1a0a00cbc4 |
14 | ca6265b7a |
15 | 751578d06 |
hex | 4612b6510 |
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".
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