Base | Representation |
---|---|
bin | 11100001001110110… |
… | …100000100001101010 |
3 | 2220000210011220112100 |
4 | 130021312200201222 |
5 | 443402343230033 |
6 | 21515410554230 |
7 | 2120062141122 |
oct | 341166404152 |
9 | 86023156470 |
10 | 30230055018 |
11 | 11903094849 |
12 | 5a37b98976 |
13 | 2b09c43427 |
14 | 166ac11c82 |
15 | bbde1d513 |
hex | 709da086a |
30230055018 has 24 divisors (see below), whose sum is σ = 67268682468. Its totient is φ = 9804341952.
The previous prime is 30230054999. The next prime is 30230055019. The reversal of 30230055018 is 81055003203.
30230055018 is a `hidden beast` number, since 302 + 300 + 5 + 50 + 1 + 8 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 25682306049 + 4547748969 = 160257^2 + 67437^2 .
It is a junction number, because it is equal to n+sod(n) for n = 30230054982 and 30230055000.
It is not an unprimeable number, because it can be changed into a prime (30230055019) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22694571 + ... + 22695902.
Almost surely, 230230055018 is an apocalyptic number.
30230055018 is an abundant number, since it is smaller than the sum of its proper divisors (37038627450).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30230055018 is a wasteful number, since it uses less digits than its factorization.
30230055018 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 45390518 (or 45390515 counting only the distinct ones).
The product of its (nonzero) digits is 3600, while the sum is 27.
The spelling of 30230055018 in words is "thirty billion, two hundred thirty million, fifty-five thousand, eighteen".
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