Base | Representation |
---|---|
bin | 111111110111111… |
… | …0000000110001011 |
3 | 12112100212001220012 |
4 | 1333233300012023 |
5 | 13342131133303 |
6 | 552400422135 |
7 | 104053051031 |
oct | 17757600613 |
9 | 5470761805 |
10 | 2143224203 |
11 | 9aa88107a |
12 | 4b991794b |
13 | 282043103 |
14 | 1648dc551 |
15 | c82545d8 |
hex | 7fbf018b |
2143224203 has 16 divisors (see below), whose sum is σ = 2276788800. Its totient is φ = 2013137280.
The previous prime is 2143224197. The next prime is 2143224211. The reversal of 2143224203 is 3024223412.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-2143224203 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (23).
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2143224253) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1499093 + ... + 1500521.
It is an arithmetic number, because the mean of its divisors is an integer number (142299300).
Almost surely, 22143224203 is an apocalyptic number.
2143224203 is a gapful number since it is divisible by the number (23) formed by its first and last digit.
2143224203 is a deficient number, since it is larger than the sum of its proper divisors (133564597).
2143224203 is a wasteful number, since it uses less digits than its factorization.
2143224203 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2582.
The product of its (nonzero) digits is 2304, while the sum is 23.
The square root of 2143224203 is about 46294.9695215366. The cubic root of 2143224203 is about 1289.3055980698.
Adding to 2143224203 its reverse (3024223412), we get a palindrome (5167447615).
The spelling of 2143224203 in words is "two billion, one hundred forty-three million, two hundred twenty-four thousand, two hundred three".
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