Base | Representation |
---|---|
bin | 1000010001100101… |
… | …0011000011001111 |
3 | 12201210121212200212 |
4 | 2010121103003033 |
5 | 14022113133033 |
6 | 1004224313035 |
7 | 106021044065 |
oct | 20431230317 |
9 | 5653555625 |
10 | 2221224143 |
11 | a3a906636 |
12 | 51ba7277b |
13 | 295253018 |
14 | 171004035 |
15 | d0010748 |
hex | 846530cf |
2221224143 has 2 divisors, whose sum is σ = 2221224144. Its totient is φ = 2221224142.
The previous prime is 2221224113. The next prime is 2221224151. The reversal of 2221224143 is 3414221222.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 2221224143 - 28 = 2221223887 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2221224113) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110612071 + 1110612072.
It is an arithmetic number, because the mean of its divisors is an integer number (1110612072).
Almost surely, 22221224143 is an apocalyptic number.
2221224143 is a deficient number, since it is larger than the sum of its proper divisors (1).
2221224143 is an equidigital number, since it uses as much as digits as its factorization.
2221224143 is an evil number, because the sum of its binary digits is even.
The product of its digits is 1536, while the sum is 23.
The square root of 2221224143 is about 47129.8646613800. The cubic root of 2221224143 is about 1304.7604837310.
Adding to 2221224143 its reverse (3414221222), we get a palindrome (5635445365).
The spelling of 2221224143 in words is "two billion, two hundred twenty-one million, two hundred twenty-four thousand, one hundred forty-three".
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