Base | Representation |
---|---|
bin | 1101110010111… |
… | …10101011000101 |
3 | 22001202202021120 |
4 | 12321132223011 |
5 | 214111344031 |
6 | 15252304153 |
7 | 2603461401 |
oct | 671365305 |
9 | 261682246 |
10 | 115731141 |
11 | 5a366579 |
12 | 32912059 |
13 | 1ac90b86 |
14 | 11528101 |
15 | a260a96 |
hex | 6e5eac5 |
115731141 has 16 divisors (see below), whose sum is σ = 160628160. Its totient is φ = 74027520.
The previous prime is 115731139. The next prime is 115731149. The reversal of 115731141 is 141137511.
It is not a de Polignac number, because 115731141 - 21 = 115731139 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (115731149) 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, 10101 + ... + 18261.
It is an arithmetic number, because the mean of its divisors is an integer number (10039260).
Almost surely, 2115731141 is an apocalyptic number.
It is an amenable number.
115731141 is a deficient number, since it is larger than the sum of its proper divisors (44897019).
115731141 is a wasteful number, since it uses less digits than its factorization.
115731141 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8356.
The product of its digits is 420, while the sum is 24.
The square root of 115731141 is about 10757.8409079146. The cubic root of 115731141 is about 487.3228158198.
Adding to 115731141 its reverse (141137511), we get a palindrome (256868652).
The spelling of 115731141 in words is "one hundred fifteen million, seven hundred thirty-one thousand, one hundred forty-one".
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