Base | Representation |
---|---|
bin | 101110001011… |
… | …110110000101 |
3 | 211210002212122 |
4 | 232023312011 |
5 | 11044412031 |
6 | 1111255325 |
7 | 204623534 |
oct | 56136605 |
9 | 24702778 |
10 | 12107141 |
11 | 691a302 |
12 | 407a545 |
13 | 267b9b7 |
14 | 187231b |
15 | 10e247b |
hex | b8bd85 |
12107141 has 2 divisors, whose sum is σ = 12107142. Its totient is φ = 12107140.
The previous prime is 12107129. The next prime is 12107149. The reversal of 12107141 is 14170121.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 7134241 + 4972900 = 2671^2 + 2230^2 .
It is a cyclic number.
It is not a de Polignac number, because 12107141 - 210 = 12106117 is a prime.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (12107149) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6053570 + 6053571.
It is an arithmetic number, because the mean of its divisors is an integer number (6053571).
Almost surely, 212107141 is an apocalyptic number.
It is an amenable number.
12107141 is a deficient number, since it is larger than the sum of its proper divisors (1).
12107141 is an equidigital number, since it uses as much as digits as its factorization.
12107141 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 56, while the sum is 17.
The square root of 12107141 is about 3479.5317213671. The cubic root of 12107141 is about 229.6221963855.
Adding to 12107141 its reverse (14170121), we get a palindrome (26277262).
The spelling of 12107141 in words is "twelve million, one hundred seven thousand, one hundred forty-one".
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