Base | Representation |
---|---|
bin | 11000010001011011… |
… | …10000000111100010 |
3 | 1020122011100010201201 |
4 | 30020231300013202 |
5 | 203141431110221 |
6 | 5553021551414 |
7 | 640631430430 |
oct | 141055600742 |
9 | 36564303651 |
10 | 13031113186 |
11 | 55877a6233 |
12 | 263811556a |
13 | 12c8976580 |
14 | 8b8947d50 |
15 | 51404a891 |
hex | 308b701e2 |
13031113186 has 32 divisors (see below), whose sum is σ = 24291042048. Its totient is φ = 5105108160.
The previous prime is 13031113171. The next prime is 13031113187. The reversal of 13031113186 is 68131113031.
It is not an unprimeable number, because it can be changed into a prime (13031113187) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 328825 + ... + 366316.
It is an arithmetic number, because the mean of its divisors is an integer number (759095064).
Almost surely, 213031113186 is an apocalyptic number.
13031113186 is a deficient number, since it is larger than the sum of its proper divisors (11259928862).
13031113186 is a wasteful number, since it uses less digits than its factorization.
13031113186 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 695266.
The product of its (nonzero) digits is 1296, while the sum is 28.
The spelling of 13031113186 in words is "thirteen billion, thirty-one million, one hundred thirteen thousand, one hundred eighty-six".
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