Base | Representation |
---|---|
bin | 10010101100011… |
… | …100111000010000 |
3 | 210212011200122100 |
4 | 102230130320100 |
5 | 1120243030022 |
6 | 51042240400 |
7 | 10525626441 |
oct | 2254347020 |
9 | 725150570 |
10 | 313642512 |
11 | 151052297 |
12 | 89056100 |
13 | 4cc965b1 |
14 | 2d9252c8 |
15 | 1c8061ac |
hex | 12b1ce10 |
313642512 has 30 divisors (see below), whose sum is σ = 877763822. Its totient is φ = 104547456.
The previous prime is 313642487. The next prime is 313642523. The reversal of 313642512 is 215246313.
313642512 is a `hidden beast` number, since 3 + 1 + 3 + 642 + 5 + 12 = 666.
313642512 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in only one way, i.e., 295289856 + 18352656 = 17184^2 + 4284^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1088893 + ... + 1089180.
Almost surely, 2313642512 is an apocalyptic number.
It is an amenable number.
313642512 is an abundant number, since it is smaller than the sum of its proper divisors (564121310).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
313642512 is a wasteful number, since it uses less digits than its factorization.
313642512 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2178087 (or 2178078 counting only the distinct ones).
The product of its digits is 4320, while the sum is 27.
The square root of 313642512 is about 17709.9551665158. The cubic root of 313642512 is about 679.4303995947.
Adding to 313642512 its reverse (215246313), we get a palindrome (528888825).
The spelling of 313642512 in words is "three hundred thirteen million, six hundred forty-two thousand, five hundred twelve".
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