Base | Representation |
---|---|
bin | 11011100011001… |
… | …11110101101010 |
3 | 121002212201010021 |
4 | 31301213311222 |
5 | 433131041132 |
6 | 34533311054 |
7 | 5504264020 |
oct | 1561476552 |
9 | 532781107 |
10 | 231112042 |
11 | 109502997 |
12 | 6549548a |
13 | 38b5b4b5 |
14 | 229a0710 |
15 | 15452997 |
hex | dc67d6a |
231112042 has 32 divisors (see below), whose sum is σ = 426401280. Its totient is φ = 91687680.
The previous prime is 231112031. The next prime is 231112069. The reversal of 231112042 is 240211132.
231112042 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6559 + ... + 22477.
It is an arithmetic number, because the mean of its divisors is an integer number (13325040).
Almost surely, 2231112042 is an apocalyptic number.
231112042 is a deficient number, since it is larger than the sum of its proper divisors (195289238).
231112042 is a wasteful number, since it uses less digits than its factorization.
231112042 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16006.
The product of its (nonzero) digits is 96, while the sum is 16.
The square root of 231112042 is about 15202.3696179247. The cubic root of 231112042 is about 613.6784294408.
Adding to 231112042 its reverse (240211132), we get a palindrome (471323174).
The spelling of 231112042 in words is "two hundred thirty-one million, one hundred twelve thousand, forty-two".
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