Base | Representation |
---|---|
bin | 10101101000111011… |
… | …011101001111101111 |
3 | 2012222022020011100111 |
4 | 111220323131033233 |
5 | 340041211100411 |
6 | 14401340040451 |
7 | 1451535252031 |
oct | 255073351757 |
9 | 65868204314 |
10 | 23235253231 |
11 | 9943770723 |
12 | 4605533127 |
13 | 2263a3a568 |
14 | 11a5c49c51 |
15 | 90ecce721 |
hex | 568edd3ef |
23235253231 has 2 divisors, whose sum is σ = 23235253232. Its totient is φ = 23235253230.
The previous prime is 23235253219. The next prime is 23235253271. The reversal of 23235253231 is 13235253232.
It is a happy number.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 23235253231 - 27 = 23235253103 is a prime.
It is a super-2 number, since 2×232352532312 (a number of 22 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 23235253193 and 23235253202.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (23235253271) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11617626615 + 11617626616.
It is an arithmetic number, because the mean of its divisors is an integer number (11617626616).
Almost surely, 223235253231 is an apocalyptic number.
23235253231 is a deficient number, since it is larger than the sum of its proper divisors (1).
23235253231 is an equidigital number, since it uses as much as digits as its factorization.
23235253231 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 32400, while the sum is 31.
Subtracting from 23235253231 its reverse (13235253232), we obtain a palindrome (9999999999).
The spelling of 23235253231 in words is "twenty-three billion, two hundred thirty-five million, two hundred fifty-three thousand, two hundred thirty-one".
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