Base | Representation |
---|---|
bin | 101111111001… |
… | …0111000101011 |
3 | 1202020211100001 |
4 | 1133302320223 |
5 | 22412041412 |
6 | 2254123431 |
7 | 423310066 |
oct | 137627053 |
9 | 52224301 |
10 | 25112107 |
11 | 131a2109 |
12 | 84b0577 |
13 | 5283247 |
14 | 34998dd |
15 | 2310957 |
hex | 17f2e2b |
25112107 has 4 divisors (see below), whose sum is σ = 25243776. Its totient is φ = 24980440.
The previous prime is 25112099. The next prime is 25112119. The reversal of 25112107 is 70121152.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 25112107 - 23 = 25112099 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (25112137) 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, 65548 + ... + 65929.
It is an arithmetic number, because the mean of its divisors is an integer number (6310944).
Almost surely, 225112107 is an apocalyptic number.
25112107 is a deficient number, since it is larger than the sum of its proper divisors (131669).
25112107 is a wasteful number, since it uses less digits than its factorization.
25112107 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 131668.
The product of its (nonzero) digits is 140, while the sum is 19.
The square root of 25112107 is about 5011.1981601210. The cubic root of 25112107 is about 292.8381926040.
Adding to 25112107 its reverse (70121152), we get a palindrome (95233259).
The spelling of 25112107 in words is "twenty-five million, one hundred twelve thousand, one hundred seven".
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