Base | Representation |
---|---|
bin | 11000101001010010… |
… | …00110111000101001 |
3 | 1021011002212201211212 |
4 | 30110221012320221 |
5 | 204044143103223 |
6 | 10024531002505 |
7 | 645611351111 |
oct | 142451067051 |
9 | 37132781755 |
10 | 13231222313 |
11 | 567a753181 |
12 | 2693139435 |
13 | 132b26b43a |
14 | 8d7358041 |
15 | 5268c7278 |
hex | 314a46e29 |
13231222313 has 8 divisors (see below), whose sum is σ = 13687677696. Its totient is φ = 12776619600.
The previous prime is 13231222289. The next prime is 13231222369. The reversal of 13231222313 is 31322213231.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 13231222313 - 228 = 12962786857 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (13231222373) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 448631 + ... + 477212.
It is an arithmetic number, because the mean of its divisors is an integer number (1710959712).
Almost surely, 213231222313 is an apocalyptic number.
It is an amenable number.
13231222313 is a deficient number, since it is larger than the sum of its proper divisors (456455383).
13231222313 is an equidigital number, since it uses as much as digits as its factorization.
13231222313 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 926335.
The product of its digits is 1296, while the sum is 23.
Adding to 13231222313 its reverse (31322213231), we get a palindrome (44553435544).
The spelling of 13231222313 in words is "thirteen billion, two hundred thirty-one million, two hundred twenty-two thousand, three hundred thirteen".
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