Base | Representation |
---|---|
bin | 10111110100101100… |
… | …01000000011110111 |
3 | 1020000100201021210211 |
4 | 23322112020003313 |
5 | 202143222220100 |
6 | 5513050530251 |
7 | 631643351533 |
oct | 137226100367 |
9 | 36010637724 |
10 | 12790038775 |
11 | 5473709488 |
12 | 258b436987 |
13 | 128aa3a6a7 |
14 | 894912bc3 |
15 | 4ecccb1ba |
hex | 2fa5880f7 |
12790038775 has 12 divisors (see below), whose sum is σ = 16060405600. Its totient is φ = 10102510080.
The previous prime is 12790038769. The next prime is 12790038797. The reversal of 12790038775 is 57783009721.
It is a happy number.
It is not a de Polignac number, because 12790038775 - 29 = 12790038263 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3236010 + ... + 3239959.
Almost surely, 212790038775 is an apocalyptic number.
12790038775 is a deficient number, since it is larger than the sum of its proper divisors (3270366825).
12790038775 is an equidigital number, since it uses as much as digits as its factorization.
12790038775 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6476058 (or 6476053 counting only the distinct ones).
The product of its (nonzero) digits is 740880, while the sum is 49.
The spelling of 12790038775 in words is "twelve billion, seven hundred ninety million, thirty-eight thousand, seven hundred seventy-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •