Base | Representation |
---|---|
bin | 11000111011111010… |
… | …01100111111101111 |
3 | 1021112222220201011222 |
4 | 30131331030333233 |
5 | 204404144011132 |
6 | 10052232133555 |
7 | 652516514000 |
oct | 143575147757 |
9 | 37488821158 |
10 | 13387485167 |
11 | 574a982831 |
12 | 27175372bb |
13 | 1354750b74 |
14 | 90ddd31a7 |
15 | 535492412 |
hex | 31df4cfef |
13387485167 has 32 divisors (see below), whose sum is σ = 15856243200. Its totient is φ = 11296938240.
The previous prime is 13387485157. The next prime is 13387485169. The reversal of 13387485167 is 76158478331.
It is not a de Polignac number, because 13387485167 - 222 = 13383290863 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13387485169) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7019228 + ... + 7021134.
It is an arithmetic number, because the mean of its divisors is an integer number (495507600).
Almost surely, 213387485167 is an apocalyptic number.
13387485167 is a deficient number, since it is larger than the sum of its proper divisors (2468758033).
13387485167 is an equidigital number, since it uses as much as digits as its factorization.
13387485167 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2236 (or 2222 counting only the distinct ones).
The product of its digits is 3386880, while the sum is 53.
The spelling of 13387485167 in words is "thirteen billion, three hundred eighty-seven million, four hundred eighty-five thousand, one hundred sixty-seven".
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