Base | Representation |
---|---|
bin | 101111011001… |
… | …011110010001 |
3 | 212101021001002 |
4 | 233121132101 |
5 | 11140100410 |
6 | 1122151345 |
7 | 210416540 |
oct | 57313621 |
9 | 25337032 |
10 | 12425105 |
11 | 7017190 |
12 | 41b2555 |
13 | 2760644 |
14 | 1916157 |
15 | 11567a5 |
hex | bd9791 |
12425105 has 32 divisors (see below), whose sum is σ = 18938880. Its totient is φ = 7600320.
The previous prime is 12425089. The next prime is 12425117. The reversal of 12425105 is 50152421.
It is not a de Polignac number, because 12425105 - 24 = 12425089 is a prime.
It is a super-2 number, since 2×124251052 = 308766468522050, which contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22442 + ... + 22988.
It is an arithmetic number, because the mean of its divisors is an integer number (591840).
Almost surely, 212425105 is an apocalyptic number.
It is an amenable number.
12425105 is a deficient number, since it is larger than the sum of its proper divisors (6513775).
12425105 is a wasteful number, since it uses less digits than its factorization.
12425105 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 629.
The product of its (nonzero) digits is 400, while the sum is 20.
The square root of 12425105 is about 3524.9262403631. The cubic root of 12425105 is about 231.6150038056.
Adding to 12425105 its reverse (50152421), we get a palindrome (62577526).
The spelling of 12425105 in words is "twelve million, four hundred twenty-five thousand, one hundred five".
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