Search a number
-
+
11979798313 = 76132791843
BaseRepresentation
bin10110010100000110…
…10011011100101001
31010220220002210211211
423022003103130221
5144013312021223
65300424353121
7602604414460
oct131203233451
933826083754
1011979798313
11509831386a
1223a40157a1
13118bc10672
1481907d9d7
154a1aced0d
hex2ca0d3729

11979798313 has 8 divisors (see below), whose sum is σ = 13713537728. Its totient is φ = 10251643824.

The previous prime is 11979798307. The next prime is 11979798403. The reversal of 11979798313 is 31389797911.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11979798313 - 229 = 11442927401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11979793313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1391631 + ... + 1400212.

It is an arithmetic number, because the mean of its divisors is an integer number (1714192216).

Almost surely, 211979798313 is an apocalyptic number.

It is an amenable number.

11979798313 is a deficient number, since it is larger than the sum of its proper divisors (1733739415).

11979798313 is an equidigital number, since it uses as much as digits as its factorization.

11979798313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2792463.

The product of its digits is 2571912, while the sum is 58.

The spelling of 11979798313 in words is "eleven billion, nine hundred seventy-nine million, seven hundred ninety-eight thousand, three hundred thirteen".

Divisors: 1 7 613 4291 2791843 19542901 1711399759 11979798313