Base | Representation |
---|---|
bin | 111101000000011111… |
… | …0111110101010001111 |
3 | 110112011112002120222220 |
4 | 1322000332332222033 |
5 | 4121303312341421 |
6 | 140104143310423 |
7 | 12315424141302 |
oct | 1720076765217 |
9 | 415145076886 |
10 | 131013012111 |
11 | 50620480123 |
12 | 21483bab413 |
13 | c47ba19597 |
14 | 64abc42b39 |
15 | 361bc653c6 |
hex | 1e80fbea8f |
131013012111 has 8 divisors (see below), whose sum is σ = 174689033904. Its totient is φ = 87339499200.
The previous prime is 131013012077. The next prime is 131013012133. The reversal of 131013012111 is 111210310131.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 131013012111 - 26 = 131013012047 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131013012511) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 501790 + ... + 716811.
It is an arithmetic number, because the mean of its divisors is an integer number (21836129238).
Almost surely, 2131013012111 is an apocalyptic number.
131013012111 is a deficient number, since it is larger than the sum of its proper divisors (43676021793).
131013012111 is a wasteful number, since it uses less digits than its factorization.
131013012111 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1254441.
The product of its (nonzero) digits is 18, while the sum is 15.
Adding to 131013012111 its reverse (111210310131), we get a palindrome (242223322242).
The spelling of 131013012111 in words is "one hundred thirty-one billion, thirteen million, twelve thousand, one hundred eleven".
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