Base | Representation |
---|---|
bin | 11000101001010000… |
… | …10111111101101011 |
3 | 1021011002111222012201 |
4 | 30110220113331223 |
5 | 204044120430443 |
6 | 10024522521031 |
7 | 645606620563 |
oct | 142450277553 |
9 | 37132458181 |
10 | 13231030123 |
11 | 567a631843 |
12 | 2693066177 |
13 | 132b201b0c |
14 | 8d7307da3 |
15 | 52688a34d |
hex | 314a17f6b |
13231030123 has 2 divisors, whose sum is σ = 13231030124. Its totient is φ = 13231030122.
The previous prime is 13231030097. The next prime is 13231030177. The reversal of 13231030123 is 32103013231.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 13231030123 - 217 = 13230899051 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 13231030123.
It is not a weakly prime, because it can be changed into another prime (13231037123) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6615515061 + 6615515062.
It is an arithmetic number, because the mean of its divisors is an integer number (6615515062).
Almost surely, 213231030123 is an apocalyptic number.
13231030123 is a deficient number, since it is larger than the sum of its proper divisors (1).
13231030123 is an equidigital number, since it uses as much as digits as its factorization.
13231030123 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 324, while the sum is 19.
Adding to 13231030123 its reverse (32103013231), we get a palindrome (45334043354).
The spelling of 13231030123 in words is "thirteen billion, two hundred thirty-one million, thirty thousand, one hundred twenty-three".
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