Base | Representation |
---|---|
bin | 11000101001011000… |
… | …01100100001001001 |
3 | 1021011011101212021111 |
4 | 30110230030201021 |
5 | 204044400004232 |
6 | 10025000210321 |
7 | 645621262144 |
oct | 142454144111 |
9 | 37134355244 |
10 | 13232031817 |
11 | 5680156394 |
12 | 26934699a1 |
13 | 132b492a34 |
14 | 8d74c905b |
15 | 5269d7047 |
hex | 314b0c849 |
13232031817 has 2 divisors, whose sum is σ = 13232031818. Its totient is φ = 13232031816.
The previous prime is 13232031793. The next prime is 13232031877. The reversal of 13232031817 is 71813023231.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 10339635856 + 2892395961 = 101684^2 + 53781^2 .
It is a cyclic number.
It is not a de Polignac number, because 13232031817 - 27 = 13232031689 is a prime.
It is a super-2 number, since 2×132320318172 (a number of 21 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (13232031877) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6616015908 + 6616015909.
It is an arithmetic number, because the mean of its divisors is an integer number (6616015909).
Almost surely, 213232031817 is an apocalyptic number.
It is an amenable number.
13232031817 is a deficient number, since it is larger than the sum of its proper divisors (1).
13232031817 is an equidigital number, since it uses as much as digits as its factorization.
13232031817 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 6048, while the sum is 31.
The spelling of 13232031817 in words is "thirteen billion, two hundred thirty-two million, thirty-one thousand, eight hundred seventeen".
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