Base | Representation |
---|---|
bin | 11101110100010111101000… |
… | …000110010000000000101001 |
3 | 122012100001202112212012012200 |
4 | 131310113220012100000221 |
5 | 114142113040340320241 |
6 | 1142525510224130413 |
7 | 36423464150013414 |
oct | 3564275006200051 |
9 | 565301675765180 |
10 | 131142130401321 |
11 | 3887107981a306 |
12 | 12860282166a09 |
13 | 582385a8b63c0 |
14 | 2455454b54b7b |
15 | 1026493aa14b6 |
hex | 7745e8190029 |
131142130401321 has 12 divisors (see below), whose sum is σ = 203998869513348. Its totient is φ = 80702849477664.
The previous prime is 131142130401259. The next prime is 131142130401349. The reversal of 131142130401321 is 123104031241131.
131142130401321 is a `hidden beast` number, since 1 + 3 + 1 + 14 + 21 + 304 + 0 + 1 + 321 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 9696528905625 + 121445601495696 = 3113925^2 + 11020236^2 .
It is not a de Polignac number, because 131142130401321 - 222 = 131142126207017 is a prime.
It is not an unprimeable number, because it can be changed into a prime (131142130401371) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 560436454590 + ... + 560436454823.
It is an arithmetic number, because the mean of its divisors is an integer number (16999905792779).
Almost surely, 2131142130401321 is an apocalyptic number.
It is an amenable number.
131142130401321 is a deficient number, since it is larger than the sum of its proper divisors (72856739112027).
131142130401321 is a wasteful number, since it uses less digits than its factorization.
131142130401321 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1120872909432 (or 1120872909429 counting only the distinct ones).
The product of its (nonzero) digits is 1728, while the sum is 27.
Adding to 131142130401321 its reverse (123104031241131), we get a palindrome (254246161642452).
The spelling of 131142130401321 in words is "one hundred thirty-one trillion, one hundred forty-two billion, one hundred thirty million, four hundred one thousand, three hundred twenty-one".
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