Base | Representation |
---|---|
bin | 11010011110010101… |
… | …10010110010100111 |
3 | 1100200112111212221020 |
4 | 31033022302302213 |
5 | 213102030201211 |
6 | 10310204422223 |
7 | 1012133423652 |
oct | 151712626247 |
9 | 40615455836 |
10 | 14213131431 |
11 | 6033a40014 |
12 | 2907b47973 |
13 | 1456813155 |
14 | 98b916899 |
15 | 582bd3306 |
hex | 34f2b2ca7 |
14213131431 has 16 divisors (see below), whose sum is σ = 19963833600. Its totient is φ = 8969704128.
The previous prime is 14213131403. The next prime is 14213131453. The reversal of 14213131431 is 13413131241.
It is a happy number.
It is not a de Polignac number, because 14213131431 - 211 = 14213129383 is a prime.
It is a super-2 number, since 2×142131314312 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (14213131481) 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, 23251 + ... + 170196.
It is an arithmetic number, because the mean of its divisors is an integer number (1247739600).
Almost surely, 214213131431 is an apocalyptic number.
14213131431 is a deficient number, since it is larger than the sum of its proper divisors (5750702169).
14213131431 is a wasteful number, since it uses less digits than its factorization.
14213131431 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 194758.
The product of its digits is 864, while the sum is 24.
Adding to 14213131431 its reverse (13413131241), we get a palindrome (27626262672).
The spelling of 14213131431 in words is "fourteen billion, two hundred thirteen million, one hundred thirty-one thousand, four hundred thirty-one".
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