Base | Representation |
---|---|
bin | 11100010001100101… |
… | …101110010100101100 |
3 | 2220100211110100001210 |
4 | 130101211232110230 |
5 | 444134111412222 |
6 | 21540325234420 |
7 | 2123226442503 |
oct | 342145562454 |
9 | 86324410053 |
10 | 30359872812 |
11 | 1196a3a1885 |
12 | 5a73562a10 |
13 | 2b2aac6ca9 |
14 | 168016583a |
15 | bca512d0c |
hex | 71196e52c |
30359872812 has 54 divisors (see below), whose sum is σ = 71492083684. Its totient is φ = 10027608640.
The previous prime is 30359872801. The next prime is 30359872831. The reversal of 30359872812 is 21827895303.
It is a happy number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 108042112 + ... + 108042392.
Almost surely, 230359872812 is an apocalyptic number.
It is an amenable number.
30359872812 is an abundant number, since it is smaller than the sum of its proper divisors (41132210872).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30359872812 is an equidigital number, since it uses as much as digits as its factorization.
30359872812 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 927 (or 465 counting only the distinct ones).
The product of its (nonzero) digits is 725760, while the sum is 48.
Multiplying 30359872812 by its sum of digits (48), we get a square (1457273894976 = 12071762).
The spelling of 30359872812 in words is "thirty billion, three hundred fifty-nine million, eight hundred seventy-two thousand, eight hundred twelve".
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