Base | Representation |
---|---|
bin | 11101110010100110010010… |
… | …010101010111111111010001 |
3 | 122011220102122012200021102221 |
4 | 131302212102111113333101 |
5 | 114133114321201110142 |
6 | 1142353542234341041 |
7 | 36411625312303300 |
oct | 3562462225277721 |
9 | 564812565607387 |
10 | 131020432441297 |
11 | 388244a9465743 |
12 | 1284077988a781 |
13 | 58152349b8179 |
14 | 244d5cc0d8437 |
15 | 102321e9eb767 |
hex | 772992557fd1 |
131020432441297 has 6 divisors (see below), whose sum is σ = 152411523452178. Its totient is φ = 112303227806784.
The previous prime is 131020432441291. The next prime is 131020432441331. The reversal of 131020432441297 is 792144234020131.
It can be written as a sum of positive squares in only one way, i.e., 103624744781376 + 27395687659921 = 10179624^2 + 5234089^2 .
It is not a de Polignac number, because 131020432441297 - 227 = 131020298223569 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (131020432441291) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1336943188128 + ... + 1336943188225.
It is an arithmetic number, because the mean of its divisors is an integer number (25401920575363).
Almost surely, 2131020432441297 is an apocalyptic number.
It is an amenable number.
131020432441297 is a deficient number, since it is larger than the sum of its proper divisors (21391091010881).
131020432441297 is an equidigital number, since it uses as much as digits as its factorization.
131020432441297 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2673886376367 (or 2673886376360 counting only the distinct ones).
The product of its (nonzero) digits is 290304, while the sum is 43.
The spelling of 131020432441297 in words is "one hundred thirty-one trillion, twenty billion, four hundred thirty-two million, four hundred forty-one thousand, two hundred ninety-seven".
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