Base | Representation |
---|---|
bin | 101110001011… |
… | …010110001001 |
3 | 211210000001221 |
4 | 232023112021 |
5 | 11044330342 |
6 | 1111242041 |
7 | 204614554 |
oct | 56132611 |
9 | 24700057 |
10 | 12105097 |
11 | 6918814 |
12 | 4079321 |
13 | 267aaa4 |
14 | 187169b |
15 | 10e1a67 |
hex | b8b589 |
12105097 has 4 divisors (see below), whose sum is σ = 12495616. Its totient is φ = 11714580.
The previous prime is 12105083. The next prime is 12105113. The reversal of 12105097 is 79050121.
12105097 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 79050121 = 181 ⋅436741.
It is a cyclic number.
It is not a de Polignac number, because 12105097 - 219 = 11580809 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12105077) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 195213 + ... + 195274.
It is an arithmetic number, because the mean of its divisors is an integer number (3123904).
Almost surely, 212105097 is an apocalyptic number.
It is an amenable number.
12105097 is a deficient number, since it is larger than the sum of its proper divisors (390519).
12105097 is an equidigital number, since it uses as much as digits as its factorization.
12105097 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 390518.
The product of its (nonzero) digits is 630, while the sum is 25.
The square root of 12105097 is about 3479.2379912849. The cubic root of 12105097 is about 229.6092735938.
The spelling of 12105097 in words is "twelve million, one hundred five thousand, ninety-seven".
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