Base | Representation |
---|---|
bin | 101110001010… |
… | …110100100111 |
3 | 211202220010110 |
4 | 232022310213 |
5 | 11044243301 |
6 | 1111224103 |
7 | 204605400 |
oct | 56126447 |
9 | 24686113 |
10 | 12102951 |
11 | 6917143 |
12 | 4078033 |
13 | 2679b13 |
14 | 18709a7 |
15 | 10e10d6 |
hex | b8ad27 |
12102951 has 24 divisors (see below), whose sum is σ = 18903024. Its totient is φ = 6867840.
The previous prime is 12102941. The next prime is 12102953. The reversal of 12102951 is 15920121.
12102951 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 12102951 - 25 = 12102919 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12102953) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 41161 + ... + 41453.
It is an arithmetic number, because the mean of its divisors is an integer number (787626).
Almost surely, 212102951 is an apocalyptic number.
12102951 is a deficient number, since it is larger than the sum of its proper divisors (6800073).
12102951 is a wasteful number, since it uses less digits than its factorization.
12102951 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 591 (or 584 counting only the distinct ones).
The product of its (nonzero) digits is 180, while the sum is 21.
The square root of 12102951 is about 3478.9295767520. The cubic root of 12102951 is about 229.5957043614.
The spelling of 12102951 in words is "twelve million, one hundred two thousand, nine hundred fifty-one".
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