Base | Representation |
---|---|
bin | 111111111001111… |
… | …0111110000000011 |
3 | 12112102212221021112 |
4 | 1333303313300003 |
5 | 13342420213011 |
6 | 552435513535 |
7 | 104065166354 |
oct | 17763676003 |
9 | 5472787245 |
10 | 2144304131 |
11 | a00449482 |
12 | 4ba1588ab |
13 | 282330818 |
14 | 164addd2b |
15 | c83b958b |
hex | 7fcf7c03 |
2144304131 has 4 divisors (see below), whose sum is σ = 2213475264. Its totient is φ = 2075133000.
The previous prime is 2144304121. The next prime is 2144304133. The reversal of 2144304131 is 1314034412.
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 2144304131 - 26 = 2144304067 is a prime.
It is a super-2 number, since 2×21443041312 = 9196080412447330322, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2144304097 and 2144304106.
It is not an unprimeable number, because it can be changed into a prime (2144304133) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34585520 + ... + 34585581.
It is an arithmetic number, because the mean of its divisors is an integer number (553368816).
Almost surely, 22144304131 is an apocalyptic number.
2144304131 is a deficient number, since it is larger than the sum of its proper divisors (69171133).
2144304131 is an equidigital number, since it uses as much as digits as its factorization.
2144304131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 69171132.
The product of its (nonzero) digits is 1152, while the sum is 23.
The square root of 2144304131 is about 46306.6316093062. The cubic root of 2144304131 is about 1289.5221135140.
Adding to 2144304131 its reverse (1314034412), we get a palindrome (3458338543).
The spelling of 2144304131 in words is "two billion, one hundred forty-four million, three hundred four thousand, one hundred thirty-one".
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