Base | Representation |
---|---|
bin | 1101101101101… |
… | …10101000110101 |
3 | 22000110210011000 |
4 | 12312312220311 |
5 | 213422332434 |
6 | 15225433513 |
7 | 2564563644 |
oct | 666665065 |
9 | 260423130 |
10 | 115042869 |
11 | 59a36457 |
12 | 3263b899 |
13 | 1aaac806 |
14 | 113c935b |
15 | a176b99 |
hex | 6db6a35 |
115042869 has 16 divisors (see below), whose sum is σ = 172031040. Its totient is φ = 75976560.
The previous prime is 115042847. The next prime is 115042871. The reversal of 115042869 is 968240511.
It is not a de Polignac number, because 115042869 - 29 = 115042357 is a prime.
It is a super-2 number, since 2×1150428692 = 26469723415502322, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (115042069) 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, 17022 + ... + 22799.
It is an arithmetic number, because the mean of its divisors is an integer number (10751940).
Almost surely, 2115042869 is an apocalyptic number.
It is an amenable number.
115042869 is a deficient number, since it is larger than the sum of its proper divisors (56988171).
115042869 is a wasteful number, since it uses less digits than its factorization.
115042869 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 39937 (or 39931 counting only the distinct ones).
The product of its (nonzero) digits is 17280, while the sum is 36.
The square root of 115042869 is about 10725.8038859565. The cubic root of 115042869 is about 486.3548315597.
The spelling of 115042869 in words is "one hundred fifteen million, forty-two thousand, eight hundred sixty-nine".
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