Base | Representation |
---|---|
bin | 101110001010… |
… | …100100101001 |
3 | 211202211201121 |
4 | 232022210221 |
5 | 11044230204 |
6 | 1111215241 |
7 | 204602410 |
oct | 56124451 |
9 | 24684647 |
10 | 12101929 |
11 | 69163a4 |
12 | 4077521 |
13 | 2679508 |
14 | 1870477 |
15 | 10e0b54 |
hex | b8a929 |
12101929 has 16 divisors (see below), whose sum is σ = 14313600. Its totient is φ = 10016640.
The previous prime is 12101927. The next prime is 12102001. The reversal of 12101929 is 92910121.
It is a cyclic number.
It is not a de Polignac number, because 12101929 - 21 = 12101927 is a prime.
It is not an unprimeable number, because it can be changed into a prime (12101927) 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 15 ways as a sum of consecutive naturals, for example, 42622 + ... + 42904.
It is an arithmetic number, because the mean of its divisors is an integer number (894600).
Almost surely, 212101929 is an apocalyptic number.
It is an amenable number.
12101929 is a deficient number, since it is larger than the sum of its proper divisors (2211671).
12101929 is a wasteful number, since it uses less digits than its factorization.
12101929 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 480.
The product of its (nonzero) digits is 324, while the sum is 25.
The square root of 12101929 is about 3478.7826893901. The cubic root of 12101929 is about 229.5892416562.
The spelling of 12101929 in words is "twelve million, one hundred one thousand, nine hundred twenty-nine".
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