Base | Representation |
---|---|
bin | 11001111111011000… |
… | …010000111010011001 |
3 | 2200000212200221002111 |
4 | 121333120100322121 |
5 | 424123124332222 |
6 | 20453101032321 |
7 | 2005362326521 |
oct | 317730207231 |
9 | 80025627074 |
10 | 27906870937 |
11 | 10920779200 |
12 | 54a9b556a1 |
13 | 28298417aa |
14 | 14ca46a681 |
15 | ad4ebc777 |
hex | 67f610e99 |
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".
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