Base | Representation |
---|---|
bin | 11000001111001100… |
… | …00110101000000101 |
3 | 1020120211222220102200 |
4 | 30013212012220011 |
5 | 203122124043023 |
6 | 5551111225113 |
7 | 640312663053 |
oct | 140746065005 |
9 | 36524886380 |
10 | 13012331013 |
11 | 5578137980 |
12 | 2631978199 |
13 | 12c4acb566 |
14 | 8b62591d3 |
15 | 51258a743 |
hex | 307986a05 |
13012331013 has 24 divisors (see below), whose sum is σ = 21583454880. Its totient is φ = 7471193760.
The previous prime is 13012330993. The next prime is 13012331023. The reversal of 13012331013 is 31013321031.
It is a happy number.
It is not a de Polignac number, because 13012331013 - 214 = 13012314629 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13012331023) 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, 3457006 + ... + 3460767.
It is an arithmetic number, because the mean of its divisors is an integer number (899310620).
Almost surely, 213012331013 is an apocalyptic number.
It is an amenable number.
13012331013 is a deficient number, since it is larger than the sum of its proper divisors (8571123867).
13012331013 is a wasteful number, since it uses less digits than its factorization.
13012331013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6917809 (or 6917806 counting only the distinct ones).
The product of its (nonzero) digits is 162, while the sum is 18.
Adding to 13012331013 its reverse (31013321031), we get a palindrome (44025652044).
The spelling of 13012331013 in words is "thirteen billion, twelve million, three hundred thirty-one thousand, thirteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.074 sec. • engine limits •