Base | Representation |
---|---|
bin | 11101110101001111110010… |
… | …110110000010001101011011 |
3 | 122012112211102122110112111000 |
4 | 131311033302312002031123 |
5 | 114144110044200221021 |
6 | 1143013322521240043 |
7 | 36431030531134635 |
oct | 3565176266021533 |
9 | 565484378415430 |
10 | 131202440242011 |
11 | 38894708092256 |
12 | 1286bab3933023 |
13 | 582944c5a8578 |
14 | 245833681da55 |
15 | 1027d23608b26 |
hex | 7753f2d8235b |
131202440242011 has 32 divisors (see below), whose sum is σ = 196263100800000. Its totient is φ = 86618208847104.
The previous prime is 131202440241967. The next prime is 131202440242037. The reversal of 131202440242011 is 110242044202131.
131202440242011 is a `hidden beast` number, since 1 + 3 + 1 + 202 + 4 + 402 + 42 + 0 + 11 = 666.
It is not a de Polignac number, because 131202440242011 - 214 = 131202440225627 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (131202440242051) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 386859490 + ... + 387198488.
It is an arithmetic number, because the mean of its divisors is an integer number (6133221900000).
Almost surely, 2131202440242011 is an apocalyptic number.
131202440242011 is a deficient number, since it is larger than the sum of its proper divisors (65060660557989).
131202440242011 is a wasteful number, since it uses less digits than its factorization.
131202440242011 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 478280 (or 478274 counting only the distinct ones).
The product of its (nonzero) digits is 3072, while the sum is 27.
Adding to 131202440242011 its reverse (110242044202131), we get a palindrome (241444484444142).
The spelling of 131202440242011 in words is "one hundred thirty-one trillion, two hundred two billion, four hundred forty million, two hundred forty-two thousand, eleven".
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