Base | Representation |
---|---|
bin | 10101101001010110… |
… | …011111011110000111 |
3 | 2012222210120012212222 |
4 | 111221112133132013 |
5 | 340100014341411 |
6 | 14402152002555 |
7 | 1451652426605 |
oct | 255126373607 |
9 | 65883505788 |
10 | 23242340231 |
11 | 9947771250 |
12 | 460799045b |
13 | 226534c256 |
14 | 11a6b72875 |
15 | 91072e4db |
hex | 56959f787 |
23242340231 has 32 divisors (see below), whose sum is σ = 26226892800. Its totient is φ = 20418652800.
The previous prime is 23242340221. The next prime is 23242340287. The reversal of 23242340231 is 13204324232.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-23242340231 is a prime.
It is a super-2 number, since 2×232423402312 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 23242340231.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23242340221) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9116945 + ... + 9119493.
It is an arithmetic number, because the mean of its divisors is an integer number (819590400).
Almost surely, 223242340231 is an apocalyptic number.
23242340231 is a deficient number, since it is larger than the sum of its proper divisors (2984552569).
23242340231 is a wasteful number, since it uses less digits than its factorization.
23242340231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2855.
The product of its (nonzero) digits is 6912, while the sum is 26.
Adding to 23242340231 its reverse (13204324232), we get a palindrome (36446664463).
The spelling of 23242340231 in words is "twenty-three billion, two hundred forty-two million, three hundred forty thousand, two hundred thirty-one".
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