Base | Representation |
---|---|
bin | 10101100111011111… |
… | …101101101000101000 |
3 | 2012220121222021210100 |
4 | 111213133231220220 |
5 | 340014031444422 |
6 | 14355120345400 |
7 | 1451123654046 |
oct | 254737555050 |
9 | 65817867710 |
10 | 23211203112 |
11 | 9931134499 |
12 | 45b9475260 |
13 | 225ba69816 |
14 | 11a2989396 |
15 | 90cb2d7ac |
hex | 5677eda28 |
23211203112 has 48 divisors (see below), whose sum is σ = 65596883040. Its totient is φ = 7400672928.
The previous prime is 23211203087. The next prime is 23211203117. The reversal of 23211203112 is 21130211232.
23211203112 is a `hidden beast` number, since 232 + 1 + 120 + 311 + 2 = 666.
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 (23211203117) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7006558 + ... + 7009869.
It is an arithmetic number, because the mean of its divisors is an integer number (1366601730).
Almost surely, 223211203112 is an apocalyptic number.
It is an amenable number.
23211203112 is an abundant number, since it is smaller than the sum of its proper divisors (42385679928).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23211203112 is a wasteful number, since it uses less digits than its factorization.
23211203112 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14016462 (or 14016455 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 18.
Adding to 23211203112 its reverse (21130211232), we get a palindrome (44341414344).
It can be divided in two parts, 2321120 and 3112, that added together give a palindrome (2324232).
The spelling of 23211203112 in words is "twenty-three billion, two hundred eleven million, two hundred three thousand, one hundred twelve".
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