Base | Representation |
---|---|
bin | 111111010001010… |
… | …1001000010100011 |
3 | 12110221211002111211 |
4 | 1332202221002203 |
5 | 13321442311321 |
6 | 550355250551 |
7 | 103416201100 |
oct | 17642510243 |
9 | 5427732454 |
10 | 2123010211 |
11 | 99a424aa3 |
12 | 4b2ba9a57 |
13 | 27aab647a |
14 | 161d59aa7 |
15 | c65b00e1 |
hex | 7e8a90a3 |
2123010211 has 12 divisors (see below), whose sum is σ = 2479885320. Its totient is φ = 1812162240.
The previous prime is 2123010209. The next prime is 2123010247. The reversal of 2123010211 is 1120103212.
It is not a de Polignac number, because 2123010211 - 21 = 2123010209 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2123010191 and 2123010200.
It is not an unprimeable number, because it can be changed into a prime (2123010311) 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, 78081 + ... + 101698.
It is an arithmetic number, because the mean of its divisors is an integer number (206657110).
Almost surely, 22123010211 is an apocalyptic number.
2123010211 is a deficient number, since it is larger than the sum of its proper divisors (356875109).
2123010211 is a wasteful number, since it uses less digits than its factorization.
2123010211 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 180034 (or 180027 counting only the distinct ones).
The product of its (nonzero) digits is 24, while the sum is 13.
The square root of 2123010211 is about 46076.1349399014. The cubic root of 2123010211 is about 1285.2393909701.
Adding to 2123010211 its reverse (1120103212), we get a palindrome (3243113423).
The spelling of 2123010211 in words is "two billion, one hundred twenty-three million, ten thousand, two hundred eleven".
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