Base | Representation |
---|---|
bin | 11100111101101101… |
… | …11001010110010000 |
3 | 1111010201020112222211 |
4 | 32132312321112100 |
5 | 223321310431223 |
6 | 11051004241504 |
7 | 1060226415124 |
oct | 163666712620 |
9 | 44121215884 |
10 | 15550092688 |
11 | 665a692879 |
12 | 301b840294 |
13 | 160a7bc7a0 |
14 | a772d9584 |
15 | 610274d0d |
hex | 39edb9590 |
15550092688 has 20 divisors (see below), whose sum is σ = 32445866908. Its totient is φ = 7176965760.
The previous prime is 15550092671. The next prime is 15550092713. The reversal of 15550092688 is 88629005551.
It can be written as a sum of positive squares in 2 ways, for example, as 814075024 + 14736017664 = 28532^2 + 121392^2 .
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37379823 + ... + 37380238.
Almost surely, 215550092688 is an apocalyptic number.
It is an amenable number.
15550092688 is an abundant number, since it is smaller than the sum of its proper divisors (16895774220).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
15550092688 is a wasteful number, since it uses less digits than its factorization.
15550092688 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 74760082 (or 74760076 counting only the distinct ones).
The product of its (nonzero) digits is 864000, while the sum is 49.
The spelling of 15550092688 in words is "fifteen billion, five hundred fifty million, ninety-two thousand, six hundred eighty-eight".
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