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6808343847 = 34155352389
BaseRepresentation
bin1100101011100111…
…10001010100100111
3122120111002200222020
412111303301110213
5102420414000342
63043330234223
7330500652654
oct62563612447
918514080866
106808343847
112984150558
1213a0125973
138466b0736
1448830ac2b
1529caac0ec
hex195cf1527

6808343847 has 8 divisors (see below), whose sum is σ = 9299201520. Its totient is φ = 4428191040.

The previous prime is 6808343831. The next prime is 6808343851. The reversal of 6808343847 is 7483438086.

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

It is not a de Polignac number, because 6808343847 - 24 = 6808343831 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6808343847.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6808343887) 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, 27676072 + ... + 27676317.

It is an arithmetic number, because the mean of its divisors is an integer number (1162400190).

Almost surely, 26808343847 is an apocalyptic number.

6808343847 is a deficient number, since it is larger than the sum of its proper divisors (2490857673).

6808343847 is a wasteful number, since it uses less digits than its factorization.

6808343847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55352433.

The product of its (nonzero) digits is 3096576, while the sum is 51.

The square root of 6808343847 is about 82512.6890059947. The cubic root of 6808343847 is about 1895.3110460057.

The spelling of 6808343847 in words is "six billion, eight hundred eight million, three hundred forty-three thousand, eight hundred forty-seven".

Divisors: 1 3 41 123 55352389 166057167 2269447949 6808343847