Base | Representation |
---|---|
bin | 10101101000101011… |
… | …001111100111101000 |
3 | 2012222000020020021200 |
4 | 111220223033213220 |
5 | 340034114044422 |
6 | 14401105004200 |
7 | 1451454161022 |
oct | 255053174750 |
9 | 65860206250 |
10 | 23231003112 |
11 | 9941328529 |
12 | 4604023660 |
13 | 2262bacbb5 |
14 | 11a5461012 |
15 | 90e7402ac |
hex | 568acf9e8 |
23231003112 has 144 divisors (see below), whose sum is σ = 64788659520. Its totient is φ = 7519806720.
The previous prime is 23231003093. The next prime is 23231003119. The reversal of 23231003112 is 21130013232.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is not an unprimeable number, because it can be changed into a prime (23231003119) 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 35 ways as a sum of consecutive naturals, for example, 44418483 + ... + 44419005.
Almost surely, 223231003112 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 23231003112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32394329760).
23231003112 is an abundant number, since it is smaller than the sum of its proper divisors (41557656408).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23231003112 is a wasteful number, since it uses less digits than its factorization.
23231003112 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 984 (or 936 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
Adding to 23231003112 its reverse (21130013232), we get a palindrome (44361016344).
The spelling of 23231003112 in words is "twenty-three billion, two hundred thirty-one million, three thousand, one hundred twelve".
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