Base | Representation |
---|---|
bin | 11100110001000111… |
… | …110000000000101011 |
3 | 2221201200220000011111 |
4 | 130301013300000223 |
5 | 1001230023330230 |
6 | 22105024011151 |
7 | 2142312126100 |
oct | 346107600053 |
9 | 87650800144 |
10 | 30888886315 |
11 | 12110a75521 |
12 | 5ba0760ab7 |
13 | 2bb359a031 |
14 | 16d0510aa7 |
15 | c0bbac92a |
hex | 7311f002b |
30888886315 has 24 divisors (see below), whose sum is σ = 43156219392. Its totient is φ = 21162355200.
The previous prime is 30888886313. The next prime is 30888886337. The reversal of 30888886315 is 51368888803.
It is not a de Polignac number, because 30888886315 - 21 = 30888886313 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 30888886315.
It is not an unprimeable number, because it can be changed into a prime (30888886313) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 227227 + ... + 336763.
It is an arithmetic number, because the mean of its divisors is an integer number (1798175808).
Almost surely, 230888886315 is an apocalyptic number.
30888886315 is a gapful number since it is divisible by the number (35) formed by its first and last digit.
30888886315 is a deficient number, since it is larger than the sum of its proper divisors (12267333077).
30888886315 is a wasteful number, since it uses less digits than its factorization.
30888886315 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 110707 (or 110700 counting only the distinct ones).
The product of its (nonzero) digits is 8847360, while the sum is 58.
The spelling of 30888886315 in words is "thirty billion, eight hundred eighty-eight million, eight hundred eighty-six thousand, three hundred fifteen".
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