Base | Representation |
---|---|
bin | 10000111110100111… |
… | …011100110101011100 |
3 | 1202001111201012002001 |
4 | 100332213130311130 |
5 | 244313440221200 |
6 | 12212552412044 |
7 | 1213523554162 |
oct | 207647346534 |
9 | 52044635061 |
10 | 18230398300 |
11 | 7805648084 |
12 | 36493a7024 |
13 | 1946b9bc3a |
14 | c4d283232 |
15 | 71a71976a |
hex | 43e9dcd5c |
18230398300 has 18 divisors (see below), whose sum is σ = 39559964528. Its totient is φ = 7292159280.
The previous prime is 18230398297. The next prime is 18230398327. The reversal of 18230398300 is 389303281.
It is a self number, because there is not a number n which added to its sum of digits gives 18230398300.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 91151892 + ... + 91152091.
Almost surely, 218230398300 is an apocalyptic number.
18230398300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
18230398300 is an abundant number, since it is smaller than the sum of its proper divisors (21329566228).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18230398300 is a wasteful number, since it uses less digits than its factorization.
18230398300 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 182303997 (or 182303990 counting only the distinct ones).
The product of its (nonzero) digits is 31104, while the sum is 37.
The spelling of 18230398300 in words is "eighteen billion, two hundred thirty million, three hundred ninety-eight thousand, three hundred".
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