Base | Representation |
---|---|
bin | 111101000110000110… |
… | …0100001110000011001 |
3 | 110112122122001010001200 |
4 | 1322030030201300121 |
5 | 4122144441104423 |
6 | 140134543104413 |
7 | 12323200026600 |
oct | 1721414416031 |
9 | 415578033050 |
10 | 131201113113 |
11 | 507076761a4 |
12 | 21516ba2109 |
13 | c4ab998855 |
14 | 64c8c08a37 |
15 | 362d51dd43 |
hex | 1e8c321c19 |
131201113113 has 72 divisors (see below), whose sum is σ = 221516863776. Its totient is φ = 74611555200.
The previous prime is 131201113091. The next prime is 131201113229. The reversal of 131201113113 is 311311102131.
It is not a de Polignac number, because 131201113113 - 25 = 131201113081 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (131201113013) by changing a digit.
It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 112812070 + ... + 112813232.
It is an arithmetic number, because the mean of its divisors is an integer number (3076623108).
Almost surely, 2131201113113 is an apocalyptic number.
It is an amenable number.
131201113113 is a deficient number, since it is larger than the sum of its proper divisors (90315750663).
131201113113 is a wasteful number, since it uses less digits than its factorization.
131201113113 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2195 (or 2185 counting only the distinct ones).
The product of its (nonzero) digits is 54, while the sum is 18.
Adding to 131201113113 its reverse (311311102131), we get a palindrome (442512215244).
The spelling of 131201113113 in words is "one hundred thirty-one billion, two hundred one million, one hundred thirteen thousand, one hundred thirteen".
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