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27906870937 = 1122231034239
BaseRepresentation
bin11001111111011000…
…010000111010011001
32200000212200221002111
4121333120100322121
5424123124332222
620453101032321
72005362326521
oct317730207231
980025627074
1027906870937
1110920779200
1254a9b556a1
1328298417aa
1414ca46a681
15ad4ebc777
hex67f610e99

27906870937 has 12 divisors (see below), whose sum is σ = 30812078080. Its totient is φ = 25256091960.

The previous prime is 27906870913. The next prime is 27906870941. The reversal of 27906870937 is 73907860972.

It is not a de Polignac number, because 27906870937 - 223 = 27898482329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27906870037) 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 11 ways as a sum of consecutive naturals, for example, 490137 + ... + 544102.

Almost surely, 227906870937 is an apocalyptic number.

It is an amenable number.

27906870937 is a deficient number, since it is larger than the sum of its proper divisors (2905207143).

27906870937 is a wasteful number, since it uses less digits than its factorization.

27906870937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1034484 (or 1034473 counting only the distinct ones).

The product of its (nonzero) digits is 8001504, while the sum is 58.

The spelling of 27906870937 in words is "twenty-seven billion, nine hundred six million, eight hundred seventy thousand, nine hundred thirty-seven".

Divisors: 1 11 121 223 2453 26983 1034239 11376629 125142919 230635297 2536988267 27906870937