Base | Representation |
---|---|
bin | 1101101101101… |
… | …10001011110001 |
3 | 22000110200121010 |
4 | 12312312023301 |
5 | 213422303014 |
6 | 15225421133 |
7 | 2564555346 |
oct | 666661361 |
9 | 260420533 |
10 | 115041009 |
11 | 59a35016 |
12 | 3263a7a9 |
13 | 1aaaba05 |
14 | 113c87cd |
15 | a176359 |
hex | 6db62f1 |
115041009 has 16 divisors (see below), whose sum is σ = 161620992. Its totient is φ = 72642768.
The previous prime is 115041001. The next prime is 115041013. The reversal of 115041009 is 900140511.
It is not a de Polignac number, because 115041009 - 23 = 115041001 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (115041001) 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, 987 + ... + 15200.
It is an arithmetic number, because the mean of its divisors is an integer number (10101312).
Almost surely, 2115041009 is an apocalyptic number.
It is an amenable number.
115041009 is a deficient number, since it is larger than the sum of its proper divisors (46579983).
115041009 is a wasteful number, since it uses less digits than its factorization.
115041009 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16316.
The product of its (nonzero) digits is 180, while the sum is 21.
The square root of 115041009 is about 10725.7171788184. The cubic root of 115041009 is about 486.3522104357.
The spelling of 115041009 in words is "one hundred fifteen million, forty-one thousand, nine".
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