Base | Representation |
---|---|
bin | 10001000111110001… |
… | …001000001100000000 |
3 | 1202110012121102010110 |
4 | 101013301020030000 |
5 | 300122241230422 |
6 | 12240115231320 |
7 | 1220366553612 |
oct | 210761101400 |
9 | 52405542113 |
10 | 18383930112 |
11 | 7884281879 |
12 | 36908a8540 |
13 | 196c936572 |
14 | c6580adb2 |
15 | 728e4560c |
hex | 447c48300 |
18383930112 has 72 divisors (see below), whose sum is σ = 50250521776. Its totient is φ = 5962346496.
The previous prime is 18383930063. The next prime is 18383930129. The reversal of 18383930112 is 21103938381.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 295063 + ... + 351894.
Almost surely, 218383930112 is an apocalyptic number.
18383930112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
18383930112 is an abundant number, since it is smaller than the sum of its proper divisors (31866591664).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18383930112 is an equidigital number, since it uses as much as digits as its factorization.
18383930112 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 647013 (or 646999 counting only the distinct ones).
The product of its (nonzero) digits is 31104, while the sum is 39.
The spelling of 18383930112 in words is "eighteen billion, three hundred eighty-three million, nine hundred thirty thousand, one hundred twelve".
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