Base | Representation |
---|---|
bin | 1101101101100… |
… | …11110001011010 |
3 | 22000110012001020 |
4 | 12312303301122 |
5 | 213421444010 |
6 | 15225303310 |
7 | 2564514504 |
oct | 666636132 |
9 | 260405036 |
10 | 115031130 |
11 | 59a28655 |
12 | 32634b36 |
13 | 1aaa7376 |
14 | 113c4d74 |
15 | a173470 |
hex | 6db3c5a |
115031130 has 32 divisors (see below), whose sum is σ = 290606400. Its totient is φ = 29060352.
The previous prime is 115031123. The next prime is 115031153. The reversal of 115031130 is 31130511.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100335 + ... + 101474.
It is an arithmetic number, because the mean of its divisors is an integer number (9081450).
Almost surely, 2115031130 is an apocalyptic number.
115031130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
115031130 is an abundant number, since it is smaller than the sum of its proper divisors (175575270).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
115031130 is a wasteful number, since it uses less digits than its factorization.
115031130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 201838.
The product of its (nonzero) digits is 45, while the sum is 15.
The square root of 115031130 is about 10725.2566402860. The cubic root of 115031130 is about 486.3382884118.
Adding to 115031130 its reverse (31130511), we get a palindrome (146161641).
The spelling of 115031130 in words is "one hundred fifteen million, thirty-one thousand, one hundred thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •