Base | Representation |
---|---|
bin | 11100111101101101… |
… | …11100010111011110 |
3 | 1111010201021011221211 |
4 | 32132312330113132 |
5 | 223321311330204 |
6 | 11051004415034 |
7 | 1060226466151 |
oct | 163666742736 |
9 | 44121234854 |
10 | 15550105054 |
11 | 665a6a10a0 |
12 | 301b84747a |
13 | 160a7c52c3 |
14 | a772ddc98 |
15 | 610278804 |
hex | 39edbc5de |
15550105054 has 32 divisors (see below), whose sum is σ = 26973513216. Its totient is φ = 6644776320.
The previous prime is 15550105049. The next prime is 15550105073. The reversal of 15550105054 is 45050105551.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 306699 + ... + 353785.
It is an arithmetic number, because the mean of its divisors is an integer number (842922288).
Almost surely, 215550105054 is an apocalyptic number.
15550105054 is a deficient number, since it is larger than the sum of its proper divisors (11423408162).
15550105054 is a wasteful number, since it uses less digits than its factorization.
15550105054 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 48000.
The product of its (nonzero) digits is 12500, while the sum is 31.
The spelling of 15550105054 in words is "fifteen billion, five hundred fifty million, one hundred five thousand, fifty-four".
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