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6853077681 = 319592037787
BaseRepresentation
bin1100110000111100…
…11010101010110001
3122200121021102020220
412120132122222301
5103013341441211
63052005123253
7331553125212
oct63036325261
918617242226
106853077681
1129a742476a
1213b30b9529
13852a43b68
14490233409
152a1996806
hex19879aab1

6853077681 has 16 divisors (see below), whose sum is σ = 9781382400. Its totient is φ = 4254897168.

The previous prime is 6853077659. The next prime is 6853077731. The reversal of 6853077681 is 1867703586.

It is not a de Polignac number, because 6853077681 - 211 = 6853075633 is a prime.

It is a super-2 number, since 2×68530776812 = 93929347403640675522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6853077611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1015531 + ... + 1022256.

It is an arithmetic number, because the mean of its divisors is an integer number (611336400).

Almost surely, 26853077681 is an apocalyptic number.

It is an amenable number.

6853077681 is a deficient number, since it is larger than the sum of its proper divisors (2928304719).

6853077681 is a wasteful number, since it uses less digits than its factorization.

6853077681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2037868.

The product of its (nonzero) digits is 1693440, while the sum is 51.

The square root of 6853077681 is about 82783.3176491496. The cubic root of 6853077681 is about 1899.4529986763.

The spelling of 6853077681 in words is "six billion, eight hundred fifty-three million, seventy-seven thousand, six hundred eighty-one".

Divisors: 1 3 19 57 59 177 1121 3363 2037787 6113361 38717953 116153859 120229433 360688299 2284359227 6853077681