Base | Representation |
---|---|
bin | 101101110011… |
… | …101011001101 |
3 | 211121002001222 |
4 | 231303223031 |
5 | 11033230031 |
6 | 1105213125 |
7 | 204032105 |
oct | 55635315 |
9 | 24532058 |
10 | 12008141 |
11 | 6861992 |
12 | 40311a5 |
13 | 2645912 |
14 | 1848205 |
15 | 10c2e7b |
hex | b73acd |
12008141 has 2 divisors, whose sum is σ = 12008142. Its totient is φ = 12008140.
The previous prime is 12008131. The next prime is 12008149. The reversal of 12008141 is 14180021.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 11874916 + 133225 = 3446^2 + 365^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-12008141 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 (12008149) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6004070 + 6004071.
It is an arithmetic number, because the mean of its divisors is an integer number (6004071).
Almost surely, 212008141 is an apocalyptic number.
It is an amenable number.
12008141 is a deficient number, since it is larger than the sum of its proper divisors (1).
12008141 is an equidigital number, since it uses as much as digits as its factorization.
12008141 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 64, while the sum is 17.
The square root of 12008141 is about 3465.2764680470. The cubic root of 12008141 is about 228.9946096886.
Adding to 12008141 its reverse (14180021), we get a palindrome (26188162).
The spelling of 12008141 in words is "twelve million, eight thousand, one hundred forty-one".
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