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6808344079 = 49331380163
BaseRepresentation
bin1100101011100111…
…10001011000001111
3122120111002201021211
412111303301120033
5102420414002304
63043330235251
7330500653435
oct62563613017
918514081254
106808344079
112984150749
1213a0125b27
138466b0884
1448830ad55
1529caac204
hex195cf160f

6808344079 has 4 divisors (see below), whose sum is σ = 6809729176. Its totient is φ = 6806958984.

The previous prime is 6808344077. The next prime is 6808344097. The reversal of 6808344079 is 9704438086.

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

It is a cyclic number.

It is not a de Polignac number, because 6808344079 - 21 = 6808344077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6808344071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 685149 + ... + 695014.

It is an arithmetic number, because the mean of its divisors is an integer number (1702432294).

Almost surely, 26808344079 is an apocalyptic number.

6808344079 is a deficient number, since it is larger than the sum of its proper divisors (1385097).

6808344079 is a wasteful number, since it uses less digits than its factorization.

6808344079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1385096.

The product of its (nonzero) digits is 1161216, while the sum is 49.

The square root of 6808344079 is about 82512.6904118391. The cubic root of 6808344079 is about 1895.3110675338.

The spelling of 6808344079 in words is "six billion, eight hundred eight million, three hundred forty-four thousand, seventy-nine".

Divisors: 1 4933 1380163 6808344079