Base | Representation |
---|---|
bin | 101111110011… |
… | …000101101101 |
3 | 212120120222011 |
4 | 233303011231 |
5 | 11201430104 |
6 | 1124321221 |
7 | 211334461 |
oct | 57630555 |
9 | 25516864 |
10 | 12530029 |
11 | 7088aa6 |
12 | 4243211 |
13 | 2799325 |
14 | 19424a1 |
15 | 1177904 |
hex | bf316d |
12530029 has 2 divisors, whose sum is σ = 12530030. Its totient is φ = 12530028.
The previous prime is 12530027. The next prime is 12530039. The reversal of 12530029 is 92003521.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 11526025 + 1004004 = 3395^2 + 1002^2 .
It is a cyclic number.
It is not a de Polignac number, because 12530029 - 21 = 12530027 is a prime.
Together with 12530027, it forms a pair of twin primes.
It is a Chen prime.
It is a junction number, because it is equal to n+sod(n) for n = 12529991 and 12530009.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (12530027) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6265014 + 6265015.
It is an arithmetic number, because the mean of its divisors is an integer number (6265015).
Almost surely, 212530029 is an apocalyptic number.
It is an amenable number.
12530029 is a deficient number, since it is larger than the sum of its proper divisors (1).
12530029 is an equidigital number, since it uses as much as digits as its factorization.
12530029 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 540, while the sum is 22.
The square root of 12530029 is about 3539.7781003899. The cubic root of 12530029 is about 232.2651360889.
The spelling of 12530029 in words is "twelve million, five hundred thirty thousand, twenty-nine".
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