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27933307808 = 257124702267
BaseRepresentation
bin11010000000111101…
…000111001110100000
32200002201110001122212
4122000331013032200
5424201411322213
620455443421252
72006133125120
oct320075071640
980081401585
1027933307808
111093469565a
1254b6984828
132832169a03
1414cdb8cc80
15ad74909a8
hex680f473a0

27933307808 has 24 divisors (see below), whose sum is σ = 62849943072. Its totient is φ = 11971417536.

The previous prime is 27933307807. The next prime is 27933307823. The reversal of 27933307808 is 80870333972.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (27933307807) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62350910 + ... + 62351357.

It is an arithmetic number, because the mean of its divisors is an integer number (2618747628).

Almost surely, 227933307808 is an apocalyptic number.

27933307808 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

27933307808 is an abundant number, since it is smaller than the sum of its proper divisors (34916635264).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27933307808 is a wasteful number, since it uses less digits than its factorization.

27933307808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124702284 (or 124702276 counting only the distinct ones).

The product of its (nonzero) digits is 1524096, while the sum is 50.

The spelling of 27933307808 in words is "twenty-seven billion, nine hundred thirty-three million, three hundred seven thousand, eight hundred eight".

Divisors: 1 2 4 7 8 14 16 28 32 56 112 224 124702267 249404534 498809068 872915869 997618136 1745831738 1995236272 3491663476 3990472544 6983326952 13966653904 27933307808