Base | Representation |
---|---|
bin | 1101101111000… |
… | …10100111100101 |
3 | 22000210221021000 |
4 | 12313202213211 |
5 | 213444114023 |
6 | 15233343513 |
7 | 2566244103 |
oct | 667424745 |
9 | 260727230 |
10 | 115223013 |
11 | 5a049834 |
12 | 32707b99 |
13 | 1ab437c9 |
14 | 11434c73 |
15 | a1b0243 |
hex | 6de29e5 |
115223013 has 16 divisors (see below), whose sum is σ = 171107200. Its totient is φ = 76632480.
The previous prime is 115222993. The next prime is 115223023. The reversal of 115223013 is 310322511.
It is not a de Polignac number, because 115223013 - 26 = 115222949 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (115223023) 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, 6993 + ... + 16713.
It is an arithmetic number, because the mean of its divisors is an integer number (10694200).
Almost surely, 2115223013 is an apocalyptic number.
It is an amenable number.
115223013 is a deficient number, since it is larger than the sum of its proper divisors (55884187).
115223013 is an equidigital number, since it uses as much as digits as its factorization.
115223013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10169 (or 10163 counting only the distinct ones).
The product of its (nonzero) digits is 180, while the sum is 18.
The square root of 115223013 is about 10734.1982933054. The cubic root of 115223013 is about 486.6085578855.
Adding to 115223013 its reverse (310322511), we get a palindrome (425545524).
It can be divided in two parts, 11522 and 3013, that added together give a triangular number (14535 = T170).
The spelling of 115223013 in words is "one hundred fifteen million, two hundred twenty-three thousand, thirteen".
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