Base | Representation |
---|---|
bin | 1101101111001… |
… | …11001110111001 |
3 | 22000211220012000 |
4 | 12313213032321 |
5 | 214000220123 |
6 | 15234011213 |
7 | 2566353153 |
oct | 667471671 |
9 | 260756160 |
10 | 115241913 |
11 | 5a061a56 |
12 | 32716b09 |
13 | 1ab4c2a7 |
14 | 1143bad3 |
15 | a1b5b43 |
hex | 6de73b9 |
115241913 has 8 divisors (see below), whose sum is σ = 170728800. Its totient is φ = 76827924.
The previous prime is 115241887. The next prime is 115241921. The reversal of 115241913 is 319142511.
It is a happy number.
It is not a de Polignac number, because 115241913 - 210 = 115240889 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 4268219 = 115241913 / (1 + 1 + 5 + 2 + 4 + 1 + 9 + 1 + 3).
It is not an unprimeable number, because it can be changed into a prime (115241923) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2134083 + ... + 2134136.
It is an arithmetic number, because the mean of its divisors is an integer number (21341100).
Almost surely, 2115241913 is an apocalyptic number.
It is an amenable number.
115241913 is a deficient number, since it is larger than the sum of its proper divisors (55486887).
115241913 is an equidigital number, since it uses as much as digits as its factorization.
115241913 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4268228 (or 4268222 counting only the distinct ones).
The product of its digits is 1080, while the sum is 27.
The square root of 115241913 is about 10735.0786210442. The cubic root of 115241913 is about 486.6351625214.
The spelling of 115241913 in words is "one hundred fifteen million, two hundred forty-one thousand, nine hundred thirteen".
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