Base | Representation |
---|---|
bin | 11000101001010010… |
… | …11101000011100010 |
3 | 1021011010001100102011 |
4 | 30110221131003202 |
5 | 204044204004442 |
6 | 10024532543134 |
7 | 645612206626 |
oct | 142451350342 |
9 | 37133040364 |
10 | 13231313122 |
11 | 567a805425 |
12 | 2693181aaa |
13 | 132b2a0881 |
14 | 8d737d186 |
15 | 5268e4117 |
hex | 314a5d0e2 |
13231313122 has 16 divisors (see below), whose sum is σ = 19954693440. Its totient is φ = 6579772528.
The previous prime is 13231313111. The next prime is 13231313203. The reversal of 13231313122 is 22131313231.
It is a junction number, because it is equal to n+sod(n) for n = 13231313093 and 13231313102.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1934673 + ... + 1941499.
It is an arithmetic number, because the mean of its divisors is an integer number (1247168340).
Almost surely, 213231313122 is an apocalyptic number.
13231313122 is a deficient number, since it is larger than the sum of its proper divisors (6723380318).
13231313122 is a wasteful number, since it uses less digits than its factorization.
13231313122 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11945.
The product of its digits is 648, while the sum is 22.
Adding to 13231313122 its reverse (22131313231), we get a palindrome (35362626353).
The spelling of 13231313122 in words is "thirteen billion, two hundred thirty-one million, three hundred thirteen thousand, one hundred twenty-two".
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