Base | Representation |
---|---|
bin | 11101101011000100… |
… | …01110000010011100 |
3 | 1112010020010201002101 |
4 | 32311202032002130 |
5 | 230111210022010 |
6 | 11152434534444 |
7 | 1102526266315 |
oct | 166542160234 |
9 | 45106121071 |
10 | 15930548380 |
11 | 683541986a |
12 | 3107137424 |
13 | 166b57a1b6 |
14 | ab1a5360c |
15 | 63387773a |
hex | 3b588e09c |
15930548380 has 48 divisors (see below), whose sum is σ = 33787131840. Its totient is φ = 6308886528.
The previous prime is 15930548363. The next prime is 15930548419. The reversal of 15930548380 is 8384503951.
It is a self number, because there is not a number n which added to its sum of digits gives 15930548380.
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, 4395249 + ... + 4398871.
It is an arithmetic number, because the mean of its divisors is an integer number (703898580).
Almost surely, 215930548380 is an apocalyptic number.
15930548380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
15930548380 is an abundant number, since it is smaller than the sum of its proper divisors (17856583460).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
15930548380 is a wasteful number, since it uses less digits than its factorization.
15930548380 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5758 (or 5756 counting only the distinct ones).
The product of its (nonzero) digits is 518400, while the sum is 46.
The spelling of 15930548380 in words is "fifteen billion, nine hundred thirty million, five hundred forty-eight thousand, three hundred eighty".
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