Search a number
-
+
6879443018113 = 15269450549677
BaseRepresentation
bin110010000011011111011…
…0000011110000110000001
3220100200001012201202101001
41210012332300132012001
51400203044403034423
622344212243012001
71310011003554001
oct144067660360601
926320035652331
106879443018113
112212612267516
1293134766a001
133ab961c27ba3
1419ad76d44001
15bde3b8c6cad
hex641bec1e181

6879443018113 has 4 divisors (see below), whose sum is σ = 6879893583060. Its totient is φ = 6878992453168.

The previous prime is 6879443018101. The next prime is 6879443018159. The reversal of 6879443018113 is 3118103449786.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1699667586369 + 5179775431744 = 1303713^2 + 2275912^2 .

It is a cyclic number.

It is not a de Polignac number, because 6879443018113 - 25 = 6879443018081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6879443018183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 225259570 + ... + 225290107.

It is an arithmetic number, because the mean of its divisors is an integer number (1719973395765).

Almost surely, 26879443018113 is an apocalyptic number.

It is an amenable number.

6879443018113 is a deficient number, since it is larger than the sum of its proper divisors (450564947).

6879443018113 is a wasteful number, since it uses less digits than its factorization.

6879443018113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450564946.

The product of its (nonzero) digits is 3483648, while the sum is 55.

The spelling of 6879443018113 in words is "six trillion, eight hundred seventy-nine billion, four hundred forty-three million, eighteen thousand, one hundred thirteen".

Divisors: 1 15269 450549677 6879443018113