Base | Representation |
---|---|
bin | 101110001010… |
… | …011100110001 |
3 | 211202211000221 |
4 | 232022130301 |
5 | 11044221200 |
6 | 1111213041 |
7 | 204601060 |
oct | 56123461 |
9 | 24684027 |
10 | 12101425 |
11 | 6915a86 |
12 | 4077181 |
13 | 267920b |
14 | 18701d7 |
15 | 10e091a |
hex | b8a731 |
12101425 has 12 divisors (see below), whose sum is σ = 17149696. Its totient is φ = 8298000.
The previous prime is 12101417. The next prime is 12101443. The reversal of 12101425 is 52410121.
12101425 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 12101425 - 23 = 12101417 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 12101399 and 12101408.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34401 + ... + 34750.
Almost surely, 212101425 is an apocalyptic number.
It is an amenable number.
12101425 is a deficient number, since it is larger than the sum of its proper divisors (5048271).
12101425 is an equidigital number, since it uses as much as digits as its factorization.
12101425 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 69168 (or 69163 counting only the distinct ones).
The product of its (nonzero) digits is 80, while the sum is 16.
The square root of 12101425 is about 3478.7102495034. The cubic root of 12101425 is about 229.5860544347.
Adding to 12101425 its reverse (52410121), we get a palindrome (64511546).
The spelling of 12101425 in words is "twelve million, one hundred one thousand, four hundred twenty-five".
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