Base | Representation |
---|---|
bin | 11100001001001110… |
… | …000111001000001100 |
3 | 2220000001020220001220 |
4 | 130021032013020030 |
5 | 443342140341403 |
6 | 21514352003340 |
7 | 2116603134111 |
oct | 341116071014 |
9 | 86001226056 |
10 | 30219465228 |
11 | 118a8111557 |
12 | 5a34530550 |
13 | 2b079a6294 |
14 | 1669656908 |
15 | bbd02a953 |
hex | 70938720c |
30219465228 has 24 divisors (see below), whose sum is σ = 70516111680. Its totient is φ = 10072579920.
The previous prime is 30219465187. The next prime is 30219465253. The reversal of 30219465228 is 82256491203.
It is a self number, because there is not a number n which added to its sum of digits gives 30219465228.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 183243 + ... + 306621.
It is an arithmetic number, because the mean of its divisors is an integer number (2938171320).
Almost surely, 230219465228 is an apocalyptic number.
It is an amenable number.
30219465228 is an abundant number, since it is smaller than the sum of its proper divisors (40296646452).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30219465228 is a wasteful number, since it uses less digits than its factorization.
30219465228 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 143797 (or 143795 counting only the distinct ones).
The product of its (nonzero) digits is 207360, while the sum is 42.
The spelling of 30219465228 in words is "thirty billion, two hundred nineteen million, four hundred sixty-five thousand, two hundred twenty-eight".
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