Base | Representation |
---|---|
bin | 1010101001111011111000… |
… | …01111100001011001010101 |
3 | 10001221222211210212000100120 |
4 | 11110331330033201121111 |
5 | 11032343424021342123 |
6 | 121500040224102153 |
7 | 4635562161464352 |
oct | 524757417413125 |
9 | 101858753760316 |
10 | 23431131043413 |
11 | 75140a5697865 |
12 | 276513a464959 |
13 | 100c713c46902 |
14 | 5b0103a61629 |
15 | 2a976e0662e3 |
hex | 154f7c3e1655 |
23431131043413 has 8 divisors (see below), whose sum is σ = 31317893164800. Its totient is φ = 15582561475488.
The previous prime is 23431131043399. The next prime is 23431131043421. The reversal of 23431131043413 is 31434013113432.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 23431131043413 - 26 = 23431131043349 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23431131043493) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9548136933 + ... + 9548139386.
It is an arithmetic number, because the mean of its divisors is an integer number (3914736645600).
Almost surely, 223431131043413 is an apocalyptic number.
It is an amenable number.
23431131043413 is a deficient number, since it is larger than the sum of its proper divisors (7886762121387).
23431131043413 is a wasteful number, since it uses less digits than its factorization.
23431131043413 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19096276731.
The product of its (nonzero) digits is 31104, while the sum is 33.
Adding to 23431131043413 its reverse (31434013113432), we get a palindrome (54865144156845).
The spelling of 23431131043413 in words is "twenty-three trillion, four hundred thirty-one billion, one hundred thirty-one million, forty-three thousand, four hundred thirteen".
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