Base | Representation |
---|---|
bin | 11101110010110001000101… |
… | …101010110111101100000101 |
3 | 122011221112120112122211111200 |
4 | 131302301011222313230011 |
5 | 114133312044432214141 |
6 | 1142403141210453113 |
7 | 36412515611454306 |
oct | 3562610552675405 |
9 | 564845515584450 |
10 | 131032031132421 |
11 | 38829410637a91 |
12 | 12842a76134199 |
13 | 5816362970703 |
14 | 244ddac6d07ad |
15 | 102369cdeaab6 |
hex | 772c45ab7b05 |
131032031132421 has 12 divisors (see below), whose sum is σ = 190022547143520. Its totient is φ = 87006660777000.
The previous prime is 131032031132399. The next prime is 131032031132437. The reversal of 131032031132421 is 124231130230131.
131032031132421 is a `hidden beast` number, since 1 + 3 + 1 + 0 + 3 + 2 + 0 + 311 + 324 + 21 = 666.
It is not a de Polignac number, because 131032031132421 - 27 = 131032031132293 is a prime.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131032031136421) 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, 29002218001 + ... + 29002222518.
It is an arithmetic number, because the mean of its divisors is an integer number (15835212261960).
Almost surely, 2131032031132421 is an apocalyptic number.
It is an amenable number.
131032031132421 is a deficient number, since it is larger than the sum of its proper divisors (58990516011099).
131032031132421 is a wasteful number, since it uses less digits than its factorization.
131032031132421 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 58004440776 (or 58004440773 counting only the distinct ones).
The product of its (nonzero) digits is 2592, while the sum is 27.
Adding to 131032031132421 its reverse (124231130230131), we get a palindrome (255263161362552).
The spelling of 131032031132421 in words is "one hundred thirty-one trillion, thirty-two billion, thirty-one million, one hundred thirty-two thousand, four hundred twenty-one".
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