Base | Representation |
---|---|
bin | 110101111001… |
… | …101111001001 |
3 | 222120212212211 |
4 | 311321233021 |
5 | 12104130441 |
6 | 1222505121 |
7 | 231050455 |
oct | 65715711 |
9 | 28525784 |
10 | 14130121 |
11 | 7a81195 |
12 | 48951a1 |
13 | 2c09725 |
14 | 1c3b665 |
15 | 1391a81 |
hex | d79bc9 |
14130121 has 4 divisors (see below), whose sum is σ = 14211972. Its totient is φ = 14048272.
The previous prime is 14130113. The next prime is 14130143. The reversal of 14130121 is 12103141.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 9241600 + 4888521 = 3040^2 + 2211^2 .
It is a cyclic number.
It is not a de Polignac number, because 14130121 - 23 = 14130113 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (14130191) 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, 40666 + ... + 41011.
It is an arithmetic number, because the mean of its divisors is an integer number (3552993).
Almost surely, 214130121 is an apocalyptic number.
It is an amenable number.
14130121 is a deficient number, since it is larger than the sum of its proper divisors (81851).
14130121 is an equidigital number, since it uses as much as digits as its factorization.
14130121 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 81850.
The product of its (nonzero) digits is 24, while the sum is 13.
The square root of 14130121 is about 3759.0053205602. The cubic root of 14130121 is about 241.7586157177.
Adding to 14130121 its reverse (12103141), we get a palindrome (26233262).
The spelling of 14130121 in words is "fourteen million, one hundred thirty thousand, one hundred twenty-one".
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