Base | Representation |
---|---|
bin | 101110010000… |
… | …111010100100 |
3 | 211211011100210 |
4 | 232100322210 |
5 | 11101043113 |
6 | 1111535420 |
7 | 205041222 |
oct | 56207244 |
9 | 24734323 |
10 | 12127908 |
11 | 6933971 |
12 | 408a570 |
13 | 26882a0 |
14 | 1879b12 |
15 | 10e86c3 |
hex | b90ea4 |
12127908 has 24 divisors (see below), whose sum is σ = 30475648. Its totient is φ = 3731616.
The previous prime is 12127903. The next prime is 12127957. The reversal of 12127908 is 80972121.
It is not an unprimeable number, because it can be changed into a prime (12127903) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38716 + ... + 39027.
Almost surely, 212127908 is an apocalyptic number.
It is an amenable number.
12127908 is an abundant number, since it is smaller than the sum of its proper divisors (18347740).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12127908 is a wasteful number, since it uses less digits than its factorization.
12127908 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 77763 (or 77761 counting only the distinct ones).
The product of its (nonzero) digits is 2016, while the sum is 30.
The square root of 12127908 is about 3482.5146087274. The cubic root of 12127908 is about 229.7534093144.
The spelling of 12127908 in words is "twelve million, one hundred twenty-seven thousand, nine hundred eight".
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