Base | Representation |
---|---|
bin | 11011100101001… |
… | …00110010110001 |
3 | 121010100101121100 |
4 | 31302210302301 |
5 | 433212033323 |
6 | 34542515013 |
7 | 5506353642 |
oct | 1562446261 |
9 | 533311540 |
10 | 231361713 |
11 | 109663530 |
12 | 65595a69 |
13 | 38c1802b |
14 | 22a276c9 |
15 | 154a1943 |
hex | dca4cb1 |
231361713 has 24 divisors (see below), whose sum is σ = 367994016. Its totient is φ = 138902400.
The previous prime is 231361709. The next prime is 231361751. The reversal of 231361713 is 317163132.
231361713 is a `hidden beast` number, since 2 + 31 + 3 + 617 + 13 = 666.
231361713 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 231361713 - 22 = 231361709 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (231361763) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 328 + ... + 21513.
It is an arithmetic number, because the mean of its divisors is an integer number (15333084).
Almost surely, 2231361713 is an apocalyptic number.
It is an amenable number.
231361713 is a deficient number, since it is larger than the sum of its proper divisors (136632303).
231361713 is a wasteful number, since it uses less digits than its factorization.
231361713 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21965 (or 21962 counting only the distinct ones).
The product of its digits is 2268, while the sum is 27.
The square root of 231361713 is about 15210.5789830631. The cubic root of 231361713 is about 613.8993360987.
The spelling of 231361713 in words is "two hundred thirty-one million, three hundred sixty-one thousand, seven hundred thirteen".
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