Search a number
-
+
12790038775 = 52796475969
BaseRepresentation
bin10111110100101100…
…01000000011110111
31020000100201021210211
423322112020003313
5202143222220100
65513050530251
7631643351533
oct137226100367
936010637724
1012790038775
115473709488
12258b436987
13128aa3a6a7
14894912bc3
154ecccb1ba
hex2fa5880f7

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".

Divisors: 1 5 25 79 395 1975 6475969 32379845 161899225 511601551 2558007755 12790038775