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6808477653 = 33897128109
BaseRepresentation
bin1100101011101000…
…10001111111010101
3122120111100111112000
412111310101333111
5102420432241103
63043333145513
7330502051035
oct62564217725
918514314460
106808477653
11298423203a
1213a018b299
13846729603
144883438c5
1529cad6aa3
hex195d11fd5

6808477653 has 16 divisors (see below), whose sum is σ = 10088116800. Its totient is φ = 4538317680.

The previous prime is 6808477649. The next prime is 6808477673. The reversal of 6808477653 is 3567748086.

It is not a de Polignac number, because 6808477653 - 22 = 6808477649 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 6808477653.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6808477603) 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 15 ways as a sum of consecutive naturals, for example, 228163 + ... + 256271.

It is an arithmetic number, because the mean of its divisors is an integer number (630507300).

Almost surely, 26808477653 is an apocalyptic number.

It is an amenable number.

6808477653 is a deficient number, since it is larger than the sum of its proper divisors (3279639147).

6808477653 is a wasteful number, since it uses less digits than its factorization.

6808477653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37089 (or 37083 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 54.

The square root of 6808477653 is about 82513.4998227563. The cubic root of 6808477653 is about 1895.3234622572.

The spelling of 6808477653 in words is "six billion, eight hundred eight million, four hundred seventy-seven thousand, six hundred fifty-three".

Divisors: 1 3 9 27 8971 26913 28109 80739 84327 242217 252981 758943 252165839 756497517 2269492551 6808477653