Base | Representation |
---|---|
bin | 1101101110001… |
… | …01110101100101 |
3 | 22000120221112210 |
4 | 12313011311211 |
5 | 213431331000 |
6 | 15231034033 |
7 | 2565243312 |
oct | 667056545 |
9 | 260527483 |
10 | 115105125 |
11 | 59a79203 |
12 | 3266b919 |
13 | 1ab01c55 |
14 | 11403d09 |
15 | a18a350 |
hex | 6dc5d65 |
115105125 has 16 divisors (see below), whose sum is σ = 191535552. Its totient is φ = 61389200.
The previous prime is 115105121. The next prime is 115105157. The reversal of 115105125 is 521501511.
It is not a de Polignac number, because 115105125 - 22 = 115105121 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (115105121) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 153099 + ... + 153848.
It is an arithmetic number, because the mean of its divisors is an integer number (11970972).
Almost surely, 2115105125 is an apocalyptic number.
115105125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
115105125 is a deficient number, since it is larger than the sum of its proper divisors (76430427).
115105125 is an equidigital number, since it uses as much as digits as its factorization.
115105125 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 306965 (or 306955 counting only the distinct ones).
The product of its (nonzero) digits is 250, while the sum is 21.
The square root of 115105125 is about 10728.7056535260. The cubic root of 115105125 is about 486.4425468218.
Adding to 115105125 its reverse (521501511), we get a palindrome (636606636).
The spelling of 115105125 in words is "one hundred fifteen million, one hundred five thousand, one hundred twenty-five".
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