Base | Representation |
---|---|
bin | 11101111000011101010101… |
… | …101101010110101110010111 |
3 | 122020022221002202012211212001 |
4 | 131320131111231112232113 |
5 | 114211214043403240343 |
6 | 1143302542535140131 |
7 | 36453002660163415 |
oct | 3570352555265627 |
9 | 566287082184761 |
10 | 131423142243223 |
11 | 3896a272669366 |
12 | 128a6828514647 |
13 | 58441c28625ac |
14 | 2464cb21222b5 |
15 | 102d93e26444d |
hex | 778755b56b97 |
131423142243223 has 8 divisors (see below), whose sum is σ = 131720732827200. Its totient is φ = 131125706138208.
The previous prime is 131423142243203. The next prime is 131423142243229. The reversal of 131423142243223 is 322342241324131.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 131423142243223 - 25 = 131423142243191 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131423142243229) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (29) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36916228 + ... + 40319401.
It is an arithmetic number, because the mean of its divisors is an integer number (16465091603400).
Almost surely, 2131423142243223 is an apocalyptic number.
131423142243223 is a deficient number, since it is larger than the sum of its proper divisors (297590583977).
131423142243223 is an equidigital number, since it uses as much as digits as its factorization.
131423142243223 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 77239481.
The product of its digits is 165888, while the sum is 37.
Adding to 131423142243223 its reverse (322342241324131), we get a palindrome (453765383567354).
The spelling of 131423142243223 in words is "one hundred thirty-one trillion, four hundred twenty-three billion, one hundred forty-two million, two hundred forty-three thousand, two hundred twenty-three".
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