Base | Representation |
---|---|
bin | 110010000101… |
… | …110110100011 |
3 | 220201010120200 |
4 | 302011312203 |
5 | 11330144141 |
6 | 1145240243 |
7 | 216420204 |
oct | 62056643 |
9 | 26633520 |
10 | 13131171 |
11 | 7459709 |
12 | 4493083 |
13 | 2949b31 |
14 | 1a5b5ab |
15 | 1245ab6 |
hex | c85da3 |
13131171 has 12 divisors (see below), whose sum is σ = 19621680. Its totient is φ = 8452080.
The previous prime is 13131169. The next prime is 13131179. The reversal of 13131171 is 17113131.
13131171 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 13131171 - 21 = 13131169 is a prime.
It is not an unprimeable number, because it can be changed into a prime (13131179) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24895 + ... + 25416.
It is an arithmetic number, because the mean of its divisors is an integer number (1635140).
Almost surely, 213131171 is an apocalyptic number.
13131171 is a deficient number, since it is larger than the sum of its proper divisors (6490509).
13131171 is a wasteful number, since it uses less digits than its factorization.
13131171 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 50346 (or 50343 counting only the distinct ones).
The product of its digits is 63, while the sum is 18.
The square root of 13131171 is about 3623.6957653755. The cubic root of 13131171 is about 235.9216619721.
The spelling of 13131171 in words is "thirteen million, one hundred thirty-one thousand, one hundred seventy-one".
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