Base | Representation |
---|---|
bin | 11101110101011000001011… |
… | …010001111011000000010111 |
3 | 122012120200122212100201222200 |
4 | 131311120023101323000113 |
5 | 114144232012133442221 |
6 | 1143021411540255543 |
7 | 36431466543043326 |
oct | 3565301321730027 |
9 | 565520585321880 |
10 | 131211440140311 |
11 | 38898506314033 |
12 | 128717a59a15b3 |
13 | 582a25502148b |
14 | 245894bc0a0bd |
15 | 102819d7b5426 |
hex | 77560b47b017 |
131211440140311 has 12 divisors (see below), whose sum is σ = 190073824914792. Its totient is φ = 87222206123856.
The previous prime is 131211440140309. The next prime is 131211440140399. The reversal of 131211440140311 is 113041044112131.
131211440140311 is a `hidden beast` number, since 1 + 3 + 1 + 211 + 4 + 40 + 1 + 403 + 1 + 1 = 666.
It is not a de Polignac number, because 131211440140311 - 21 = 131211440140309 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131211440140211) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21007271956 + ... + 21007278201.
It is an arithmetic number, because the mean of its divisors is an integer number (15839485409566).
Almost surely, 2131211440140311 is an apocalyptic number.
131211440140311 is a deficient number, since it is larger than the sum of its proper divisors (58862384774481).
131211440140311 is a wasteful number, since it uses less digits than its factorization.
131211440140311 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 42014550510 (or 42014550507 counting only the distinct ones).
The product of its (nonzero) digits is 1152, while the sum is 27.
Adding to 131211440140311 its reverse (113041044112131), we get a palindrome (244252484252442).
The spelling of 131211440140311 in words is "one hundred thirty-one trillion, two hundred eleven billion, four hundred forty million, one hundred forty thousand, three hundred eleven".
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