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6807117231 = 33252115453
BaseRepresentation
bin1100101011011110…
…00101110110101111
3122120101210101101000
412111233011312233
5102420110222411
63043244051343
7330454353555
oct62557056657
918511711330
106807117231
112983492a22
12139b833b53
13846371325
144880abbd5
1529c918956
hex195bc5daf

6807117231 has 8 divisors (see below), whose sum is σ = 10084618160. Its totient is φ = 4538078136.

The previous prime is 6807117199. The next prime is 6807117259. The reversal of 6807117231 is 1327117086.

It is not a de Polignac number, because 6807117231 - 25 = 6807117199 is a prime.

It is a super-2 number, since 2×68071172312 = 92673689993154214722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6807112231) 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, 126057700 + ... + 126057753.

It is an arithmetic number, because the mean of its divisors is an integer number (1260577270).

Almost surely, 26807117231 is an apocalyptic number.

6807117231 is a deficient number, since it is larger than the sum of its proper divisors (3277500929).

6807117231 is a wasteful number, since it uses less digits than its factorization.

6807117231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252115462 (or 252115456 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 36.

The square root of 6807117231 is about 82505.2557780412. The cubic root of 6807117231 is about 1895.1972171248.

The spelling of 6807117231 in words is "six billion, eight hundred seven million, one hundred seventeen thousand, two hundred thirty-one".

Divisors: 1 3 9 27 252115453 756346359 2269039077 6807117231