Base | Representation |
---|---|
bin | 11000100101010000… |
… | …11001100100001011 |
3 | 1021001202101120011221 |
4 | 30102220121210023 |
5 | 204012023413001 |
6 | 10021323502511 |
7 | 645021514432 |
oct | 142250314413 |
9 | 37052346157 |
10 | 13197482251 |
11 | 56626a8828 |
12 | 2683987a37 |
13 | 1324286cc5 |
14 | 8d2a94119 |
15 | 5239601a1 |
hex | 312a1990b |
13197482251 has 24 divisors (see below), whose sum is σ = 14291251200. Its totient is φ = 12153384000.
The previous prime is 13197482239. The next prime is 13197482257. The reversal of 13197482251 is 15228479131.
It is not a de Polignac number, because 13197482251 - 215 = 13197449483 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 13197482198 and 13197482207.
It is not an unprimeable number, because it can be changed into a prime (13197482257) 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, 11465526 + ... + 11466676.
It is an arithmetic number, because the mean of its divisors is an integer number (595468800).
Almost surely, 213197482251 is an apocalyptic number.
13197482251 is a deficient number, since it is larger than the sum of its proper divisors (1093768949).
13197482251 is a wasteful number, since it uses less digits than its factorization.
13197482251 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1611 (or 1570 counting only the distinct ones).
The product of its digits is 120960, while the sum is 43.
The spelling of 13197482251 in words is "thirteen billion, one hundred ninety-seven million, four hundred eighty-two thousand, two hundred fifty-one".
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