Base | Representation |
---|---|
bin | 1000010011101011… |
… | …0100100101000111 |
3 | 12202102011100200121 |
4 | 2010322310211013 |
5 | 14031340342411 |
6 | 1005140522411 |
7 | 106155535246 |
oct | 20472644507 |
9 | 5672140617 |
10 | 2230012231 |
11 | a44869217 |
12 | 5229b0407 |
13 | 29700c085 |
14 | 17225095d |
15 | d0b99571 |
hex | 84eb4947 |
2230012231 has 2 divisors, whose sum is σ = 2230012232. Its totient is φ = 2230012230.
The previous prime is 2230012199. The next prime is 2230012277. The reversal of 2230012231 is 1322100322.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 2230012231 - 25 = 2230012199 is a prime.
It is a super-2 number, since 2×22300122312 = 9945909100819194722, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2230112231) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1115006115 + 1115006116.
It is an arithmetic number, because the mean of its divisors is an integer number (1115006116).
Almost surely, 22230012231 is an apocalyptic number.
2230012231 is a deficient number, since it is larger than the sum of its proper divisors (1).
2230012231 is an equidigital number, since it uses as much as digits as its factorization.
2230012231 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 144, while the sum is 16.
The square root of 2230012231 is about 47223.0053152063. The cubic root of 2230012231 is about 1306.4789447353.
Adding to 2230012231 its reverse (1322100322), we get a palindrome (3552112553).
The spelling of 2230012231 in words is "two billion, two hundred thirty million, twelve thousand, two hundred thirty-one".
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