Search a number
-
+
808268613137 = 19140930191947
BaseRepresentation
bin10111100001100001001…
…00000100011000010001
32212021021121222210211122
423300300210010120101
5101220313231110022
61415151413252025
7112252435565606
oct13606044043021
92767247883748
10808268613137
1129186a619177
12110793634015
135b2b104b27b
142b1985926ad
151605919b742
hexbc30904611

808268613137 has 8 divisors (see below), whose sum is σ = 851412933600. Its totient is φ = 765184679424.

The previous prime is 808268613109. The next prime is 808268613209. The reversal of 808268613137 is 731316862808.

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 808268613137 - 26 = 808268613073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (808268613107) 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, 15069203 + ... + 15122744.

It is an arithmetic number, because the mean of its divisors is an integer number (106426616700).

Almost surely, 2808268613137 is an apocalyptic number.

It is an amenable number.

808268613137 is a deficient number, since it is larger than the sum of its proper divisors (43144320463).

808268613137 is a wasteful number, since it uses less digits than its factorization.

808268613137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30193375.

The product of its (nonzero) digits is 2322432, while the sum is 53.

The spelling of 808268613137 in words is "eight hundred eight billion, two hundred sixty-eight million, six hundred thirteen thousand, one hundred thirty-seven".

Divisors: 1 19 1409 26771 30191947 573646993 42540453323 808268613137