Base | Representation |
---|---|
bin | 101110001010… |
… | …110011101111 |
3 | 211202220001101 |
4 | 232022303233 |
5 | 11044243040 |
6 | 1111223531 |
7 | 204605260 |
oct | 56126357 |
9 | 24686041 |
10 | 12102895 |
11 | 69170a2 |
12 | 4077ba7 |
13 | 2679a9c |
14 | 1870967 |
15 | 10e109a |
hex | b8acef |
12102895 has 16 divisors (see below), whose sum is σ = 17575488. Its totient is φ = 7810560.
The previous prime is 12102887. The next prime is 12102917. The reversal of 12102895 is 59820121.
12102895 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 12102895 - 23 = 12102887 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9576 + ... + 10765.
It is an arithmetic number, because the mean of its divisors is an integer number (1098468).
Almost surely, 212102895 is an apocalyptic number.
12102895 is a deficient number, since it is larger than the sum of its proper divisors (5472593).
12102895 is a wasteful number, since it uses less digits than its factorization.
12102895 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20370.
The product of its (nonzero) digits is 1440, while the sum is 28.
The square root of 12102895 is about 3478.9215282901. The cubic root of 12102895 is about 229.5953502500.
The spelling of 12102895 in words is "twelve million, one hundred two thousand, eight hundred ninety-five".
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