Base | Representation |
---|---|
bin | 10000111000011110… |
… | …111001001111010010 |
3 | 1201210100002000020110 |
4 | 100320132321033102 |
5 | 244111114221200 |
6 | 12154435022150 |
7 | 1211134066023 |
oct | 207036711722 |
9 | 51710060213 |
10 | 18127492050 |
11 | 7762551098 |
12 | 361aa3a956 |
13 | 192b77b675 |
14 | c3d736c4a |
15 | 71168db50 |
hex | 4387b93d2 |
18127492050 has 24 divisors (see below), whose sum is σ = 44956180656. Its totient is φ = 4833997840.
The previous prime is 18127492049. The next prime is 18127492063. The reversal of 18127492050 is 5029472181.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 60424824 + ... + 60425123.
It is an arithmetic number, because the mean of its divisors is an integer number (1873174194).
Almost surely, 218127492050 is an apocalyptic number.
18127492050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
18127492050 is an abundant number, since it is smaller than the sum of its proper divisors (26828688606).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18127492050 is a wasteful number, since it uses less digits than its factorization.
18127492050 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 120849962 (or 120849957 counting only the distinct ones).
The product of its (nonzero) digits is 40320, while the sum is 39.
The spelling of 18127492050 in words is "eighteen billion, one hundred twenty-seven million, four hundred ninety-two thousand, fifty".
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