Base | Representation |
---|---|
bin | 11011111101001101… |
… | …101100101001001100 |
3 | 2212111000012221002200 |
4 | 123331031230221030 |
5 | 442434103431111 |
6 | 21442354321500 |
7 | 2111606021622 |
oct | 337515545114 |
9 | 85430187080 |
10 | 30018030156 |
11 | 11804439394 |
12 | 5998b89290 |
13 | 2aa5038a2a |
14 | 164a9bd512 |
15 | baa4db256 |
hex | 6fd36ca4c |
30018030156 has 36 divisors (see below), whose sum is σ = 79872538200. Its totient is φ = 9479377728.
The previous prime is 30018030103. The next prime is 30018030233. The reversal of 30018030156 is 65103081003.
30018030156 is a `hidden beast` number, since 300 + 1 + 8 + 0 + 301 + 56 = 666.
It is a tau number, because it is divible by the number of its divisors (36).
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, 21942321 + ... + 21943688.
Almost surely, 230018030156 is an apocalyptic number.
30018030156 is a gapful number since it is divisible by the number (36) formed by its first and last digit.
It is an amenable number.
30018030156 is an abundant number, since it is smaller than the sum of its proper divisors (49854508044).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30018030156 is a wasteful number, since it uses less digits than its factorization.
30018030156 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 43886038 (or 43886033 counting only the distinct ones).
The product of its (nonzero) digits is 2160, while the sum is 27.
The spelling of 30018030156 in words is "thirty billion, eighteen million, thirty thousand, one hundred fifty-six".
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