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6806753525 = 5211131903987
BaseRepresentation
bin1100101011011011…
…01101000011110101
3122120101002220110102
412111231231003311
5102420012103100
63043232203445
7330451310315
oct62555550365
918511086412
106806753525
112983264740
12139b699585
13846274910
14488015445
1529c895cd5
hex195b6d0f5

6806753525 has 24 divisors (see below), whose sum is σ = 9915969504. Its totient is φ = 4569566400.

The previous prime is 6806753519. The next prime is 6806753563. The reversal of 6806753525 is 5253576086.

6806753525 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6806753525 - 28 = 6806753269 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6806753525.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 948419 + ... + 955568.

It is an arithmetic number, because the mean of its divisors is an integer number (413165396).

Almost surely, 26806753525 is an apocalyptic number.

6806753525 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

6806753525 is a deficient number, since it is larger than the sum of its proper divisors (3109215979).

6806753525 is a wasteful number, since it uses less digits than its factorization.

6806753525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1904021 (or 1904016 counting only the distinct ones).

The product of its (nonzero) digits is 1512000, while the sum is 47.

The square root of 6806753525 is about 82503.0516102283. The cubic root of 6806753525 is about 1895.1634629010.

The spelling of 6806753525 in words is "six billion, eight hundred six million, seven hundred fifty-three thousand, five hundred twenty-five".

Divisors: 1 5 11 13 25 55 65 143 275 325 715 3575 1903987 9519935 20943857 24751831 47599675 104719285 123759155 272270141 523596425 618795775 1361350705 6806753525