Base | Representation |
---|---|
bin | 10101101000101011… |
… | …100111010101000111 |
3 | 2012222000102011111200 |
4 | 111220223213111013 |
5 | 340034130201411 |
6 | 14401111033543 |
7 | 1451455044123 |
oct | 255053472507 |
9 | 65860364450 |
10 | 23231100231 |
11 | 9941394499 |
12 | 460406b8b3 |
13 | 2262c15171 |
14 | 11a5488583 |
15 | 90e75de56 |
hex | 568ae7547 |
23231100231 has 6 divisors (see below), whose sum is σ = 33556033680. Its totient is φ = 15487400148.
The previous prime is 23231100229. The next prime is 23231100247. The reversal of 23231100231 is 13200113232.
23231100231 is a `hidden beast` number, since 2 + 323 + 110 + 0 + 231 = 666.
It is not a de Polignac number, because 23231100231 - 21 = 23231100229 is a prime.
It is a super-2 number, since 2×232311002312 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23231100271) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1290616671 + ... + 1290616688.
It is an arithmetic number, because the mean of its divisors is an integer number (5592672280).
Almost surely, 223231100231 is an apocalyptic number.
23231100231 is a deficient number, since it is larger than the sum of its proper divisors (10324933449).
23231100231 is a wasteful number, since it uses less digits than its factorization.
23231100231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2581233365 (or 2581233362 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
Adding to 23231100231 its reverse (13200113232), we get a palindrome (36431213463).
The spelling of 23231100231 in words is "twenty-three billion, two hundred thirty-one million, one hundred thousand, two hundred thirty-one".
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