Base | Representation |
---|---|
bin | 11010101101000001000001 |
3 | 111011122101001 |
4 | 122231001001 |
5 | 3243001004 |
6 | 410012001 |
7 | 113333353 |
oct | 32550101 |
9 | 14148331 |
10 | 7000129 |
11 | 3a51334 |
12 | 2417001 |
13 | 15b12b6 |
14 | d030d3 |
15 | 9341a4 |
hex | 6ad041 |
7000129 has 2 divisors, whose sum is σ = 7000130. Its totient is φ = 7000128.
The previous prime is 7000127. The next prime is 7000157. The reversal of 7000129 is 9210007.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 5953600 + 1046529 = 2440^2 + 1023^2 .
It is a cyclic number.
It is not a de Polignac number, because 7000129 - 21 = 7000127 is a prime.
Together with 7000127, it forms a pair of twin primes.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (7000121) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3500064 + 3500065.
It is an arithmetic number, because the mean of its divisors is an integer number (3500065).
Almost surely, 27000129 is an apocalyptic number.
It is an amenable number.
7000129 is a deficient number, since it is larger than the sum of its proper divisors (1).
7000129 is an equidigital number, since it uses as much as digits as its factorization.
7000129 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 126, while the sum is 19.
The square root of 7000129 is about 2645.7756896608. The cubic root of 7000129 is about 191.2942933563.
The spelling of 7000129 in words is "seven million, one hundred twenty-nine", and thus it is an aban number.
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