Base | Representation |
---|---|
bin | 11101110101010111111110… |
… | …111111101101110010110101 |
3 | 122012120200010111112210220100 |
4 | 131311113332333231302311 |
5 | 114144231101403303023 |
6 | 1143021335255024313 |
7 | 36431461461163620 |
oct | 3565277677556265 |
9 | 565520114483810 |
10 | 131211234041013 |
11 | 3889840aa45635 |
12 | 1287174896b099 |
13 | 582a22140cc29 |
14 | 245892c6badb7 |
15 | 102818a653c43 |
hex | 7755fefedcb5 |
131211234041013 has 24 divisors (see below), whose sum is σ = 216603072436608. Its totient is φ = 74977709434272.
The previous prime is 131211234040993. The next prime is 131211234041053. The reversal of 131211234041013 is 310140432112131.
131211234041013 is a `hidden beast` number, since 1 + 3 + 1 + 2 + 1 + 1 + 234 + 0 + 410 + 13 = 666.
It is not a de Polignac number, because 131211234041013 - 26 = 131211234040949 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131211234041053) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39422731 + ... + 42621287.
It is an arithmetic number, because the mean of its divisors is an integer number (9025128018192).
Almost surely, 2131211234041013 is an apocalyptic number.
It is an amenable number.
131211234041013 is a deficient number, since it is larger than the sum of its proper divisors (85391838395595).
131211234041013 is a wasteful number, since it uses less digits than its factorization.
131211234041013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3849713 (or 3849710 counting only the distinct ones).
The product of its (nonzero) digits is 1728, while the sum is 27.
Adding to 131211234041013 its reverse (310140432112131), we get a palindrome (441351666153144).
The spelling of 131211234041013 in words is "one hundred thirty-one trillion, two hundred eleven billion, two hundred thirty-four million, forty-one thousand, thirteen".
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