Base | Representation |
---|---|
bin | 111110111100110… |
… | …0001001010000111 |
3 | 12110012112101212121 |
4 | 1331321201022013 |
5 | 13311212330043 |
6 | 545332230411 |
7 | 103225442011 |
oct | 17571411207 |
9 | 5405471777 |
10 | 2112230023 |
11 | 994331752 |
12 | 4ab46b407 |
13 | 2787b0767 |
14 | 1607511b1 |
15 | c5680ded |
hex | 7de61287 |
2112230023 has 4 divisors (see below), whose sum is σ = 2112533440. Its totient is φ = 2111926608.
The previous prime is 2112230011. The next prime is 2112230039. The reversal of 2112230023 is 3200322112.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 2112230023 - 217 = 2112098951 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2112229979 and 2112230006.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2112230053) by changing a digit.
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 3 ways as a sum of consecutive naturals, for example, 141015 + ... + 155272.
It is an arithmetic number, because the mean of its divisors is an integer number (528133360).
Almost surely, 22112230023 is an apocalyptic number.
2112230023 is a deficient number, since it is larger than the sum of its proper divisors (303417).
2112230023 is an equidigital number, since it uses as much as digits as its factorization.
2112230023 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 303416.
The product of its (nonzero) digits is 144, while the sum is 16.
The square root of 2112230023 is about 45959.0037207074. The cubic root of 2112230023 is about 1283.0603090113.
Adding to 2112230023 its reverse (3200322112), we get a palindrome (5312552135).
The spelling of 2112230023 in words is "two billion, one hundred twelve million, two hundred thirty thousand, twenty-three".
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