Base | Representation |
---|---|
bin | 11000010100101000… |
… | …00010010100000111 |
3 | 1020201000210101112222 |
4 | 30022110002110013 |
5 | 203220312121112 |
6 | 5555420402555 |
7 | 641405354201 |
oct | 141224022407 |
9 | 36630711488 |
10 | 13057926407 |
11 | 55a094a419 |
12 | 26450a645b |
13 | 13013a3b96 |
14 | 8bc327771 |
15 | 516595372 |
hex | 30a502507 |
13057926407 has 4 divisors (see below), whose sum is σ = 13058253216. Its totient is φ = 13057599600.
The previous prime is 13057926397. The next prime is 13057926419. The reversal of 13057926407 is 70462975031.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70462975031 = 97 ⋅726422423.
It is a cyclic number.
It is not a de Polignac number, because 13057926407 - 24 = 13057926391 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13057923407) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93503 + ... + 186704.
It is an arithmetic number, because the mean of its divisors is an integer number (3264563304).
Almost surely, 213057926407 is an apocalyptic number.
13057926407 is a deficient number, since it is larger than the sum of its proper divisors (326809).
13057926407 is an equidigital number, since it uses as much as digits as its factorization.
13057926407 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 326808.
The product of its (nonzero) digits is 317520, while the sum is 44.
The spelling of 13057926407 in words is "thirteen billion, fifty-seven million, nine hundred twenty-six thousand, four hundred seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •