Base | Representation |
---|---|
bin | 1101101110011… |
… | …11100110011110 |
3 | 22000122222102000 |
4 | 12313033212132 |
5 | 213434120433 |
6 | 15231543130 |
7 | 2565501024 |
oct | 667174636 |
9 | 260588360 |
10 | 115145118 |
11 | 59aa6260 |
12 | 3268aaa6 |
13 | 1ab1720a |
14 | 11414714 |
15 | a197113 |
hex | 6dcf99e |
115145118 has 32 divisors (see below), whose sum is σ = 279141120. Its totient is φ = 34892280.
The previous prime is 115145113. The next prime is 115145137. The reversal of 115145118 is 811541511.
It is a super-3 number, since 3×1151451183 (a number of 25 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a junction number, because it is equal to n+sod(n) for n = 115145091 and 115145100.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (115145113) 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, 96330 + ... + 97517.
It is an arithmetic number, because the mean of its divisors is an integer number (8723160).
Almost surely, 2115145118 is an apocalyptic number.
115145118 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
115145118 is an abundant number, since it is smaller than the sum of its proper divisors (163996002).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
115145118 is a wasteful number, since it uses less digits than its factorization.
115145118 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 193869 (or 193863 counting only the distinct ones).
The product of its digits is 800, while the sum is 27.
The square root of 115145118 is about 10730.5693232000. The cubic root of 115145118 is about 486.4988780642.
Adding to 115145118 its reverse (811541511), we get a palindrome (926686629).
The spelling of 115145118 in words is "one hundred fifteen million, one hundred forty-five thousand, one hundred eighteen".
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