Base | Representation |
---|---|
bin | 11000101001010000… |
… | …11010011100111001 |
3 | 1021011002112111012010 |
4 | 30110220122130321 |
5 | 204044121242223 |
6 | 10024523040133 |
7 | 645606662361 |
oct | 142450323471 |
9 | 37132474163 |
10 | 13231040313 |
11 | 567a639467 |
12 | 2693070049 |
13 | 132b20664a |
14 | 8d730b9a1 |
15 | 52688d393 |
hex | 314a1a739 |
13231040313 has 32 divisors (see below), whose sum is σ = 18774467712. Its totient is φ = 8259584000.
The previous prime is 13231040293. The next prime is 13231040321. The reversal of 13231040313 is 31304013231.
It is a cyclic number.
It is not a de Polignac number, because 13231040313 - 226 = 13163931449 is a prime.
It is a super-2 number, since 2×132310403132 (a number of 21 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 13231040313.
It is not an unprimeable number, because it can be changed into a prime (13231040323) 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, 12126898 + ... + 12127988.
It is an arithmetic number, because the mean of its divisors is an integer number (586702116).
Almost surely, 213231040313 is an apocalyptic number.
It is an amenable number.
13231040313 is a deficient number, since it is larger than the sum of its proper divisors (5543427399).
13231040313 is a wasteful number, since it uses less digits than its factorization.
13231040313 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2105.
The product of its (nonzero) digits is 648, while the sum is 21.
Adding to 13231040313 its reverse (31304013231), we get a palindrome (44535053544).
The spelling of 13231040313 in words is "thirteen billion, two hundred thirty-one million, forty thousand, three hundred thirteen".
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