Base | Representation |
---|---|
bin | 1101101101101… |
… | …10001111101101 |
3 | 22000110200221110 |
4 | 12312312033231 |
5 | 213422310021 |
6 | 15225422233 |
7 | 2564556156 |
oct | 666661755 |
9 | 260420843 |
10 | 115041261 |
11 | 59a35225 |
12 | 3263a979 |
13 | 1aaabb6a |
14 | 113c892d |
15 | a176476 |
hex | 6db63ed |
115041261 has 16 divisors (see below), whose sum is σ = 163512000. Its totient is φ = 71693568.
The previous prime is 115041259. The next prime is 115041263. The reversal of 115041261 is 162140511.
It is an interprime number because it is at equal distance from previous prime (115041259) and next prime (115041263).
It is not a de Polignac number, because 115041261 - 21 = 115041259 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (115041263) 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, 30 + ... + 15168.
It is an arithmetic number, because the mean of its divisors is an integer number (10219500).
Almost surely, 2115041261 is an apocalyptic number.
It is an amenable number.
115041261 is a deficient number, since it is larger than the sum of its proper divisors (48470739).
115041261 is a wasteful number, since it uses less digits than its factorization.
115041261 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15308.
The product of its (nonzero) digits is 240, while the sum is 21.
The square root of 115041261 is about 10725.7289262782. The cubic root of 115041261 is about 486.3525655574.
Adding to 115041261 its reverse (162140511), we get a palindrome (277181772).
The spelling of 115041261 in words is "one hundred fifteen million, forty-one thousand, two hundred sixty-one".
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