Base | Representation |
---|---|
bin | 11011111110111100… |
… | …101001011111011100 |
3 | 2212120000221121022120 |
4 | 123332330221133130 |
5 | 443014030141403 |
6 | 21445313542540 |
7 | 2112411160014 |
oct | 337674513734 |
9 | 85500847276 |
10 | 30047115228 |
11 | 118198a4439 |
12 | 59a6874a50 |
13 | 2aab080430 |
14 | 16507d0c44 |
15 | bacd33e53 |
hex | 6fef297dc |
30047115228 has 48 divisors (see below), whose sum is σ = 77109473280. Its totient is φ = 9048556224.
The previous prime is 30047115193. The next prime is 30047115247. The reversal of 30047115228 is 82251174003.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2041708 + ... + 2056371.
It is an arithmetic number, because the mean of its divisors is an integer number (1606447360).
Almost surely, 230047115228 is an apocalyptic number.
It is an amenable number.
30047115228 is an abundant number, since it is smaller than the sum of its proper divisors (47062358052).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30047115228 is a wasteful number, since it uses less digits than its factorization.
30047115228 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4098146 (or 4098144 counting only the distinct ones).
The product of its (nonzero) digits is 13440, while the sum is 33.
The spelling of 30047115228 in words is "thirty billion, forty-seven million, one hundred fifteen thousand, two hundred twenty-eight".
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