Base | Representation |
---|---|
bin | 1101101110001… |
… | …11100011010000 |
3 | 22000121022011202 |
4 | 12313013203100 |
5 | 213432042034 |
6 | 15231130332 |
7 | 2565302630 |
oct | 667074320 |
9 | 260538152 |
10 | 115112144 |
11 | 59a83504 |
12 | 326739a8 |
13 | 1ab051c4 |
14 | 114066c0 |
15 | a18c47e |
hex | 6dc78d0 |
115112144 has 20 divisors (see below), whose sum is σ = 254891424. Its totient is φ = 49333728.
The previous prime is 115112113. The next prime is 115112159. The reversal of 115112144 is 441211511.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 513782 + ... + 514005.
Almost surely, 2115112144 is an apocalyptic number.
115112144 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is an amenable number.
115112144 is an abundant number, since it is smaller than the sum of its proper divisors (139779280).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
115112144 is a wasteful number, since it uses less digits than its factorization.
115112144 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1027802 (or 1027796 counting only the distinct ones).
The product of its digits is 160, while the sum is 20.
The square root of 115112144 is about 10729.0327616239. The cubic root of 115112144 is about 486.4524342207.
Adding to 115112144 its reverse (441211511), we get a palindrome (556323655).
The spelling of 115112144 in words is "one hundred fifteen million, one hundred twelve thousand, one hundred forty-four".
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