Base | Representation |
---|---|
bin | 101111110010… |
… | …111010001011 |
3 | 212120112221211 |
4 | 233302322023 |
5 | 11201414131 |
6 | 1124313551 |
7 | 211332355 |
oct | 57627213 |
9 | 25515854 |
10 | 12529291 |
11 | 7088495 |
12 | 42428b7 |
13 | 2798ba8 |
14 | 19420d5 |
15 | 11775b1 |
hex | bf2e8b |
12529291 has 2 divisors, whose sum is σ = 12529292. Its totient is φ = 12529290.
The previous prime is 12529271. The next prime is 12529337. The reversal of 12529291 is 19292521.
It is a weak prime.
It is an emirp because it is prime and its reverse (19292521) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 12529291 - 213 = 12521099 is a prime.
It is not a weakly prime, because it can be changed into another prime (12529271) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6264645 + 6264646.
It is an arithmetic number, because the mean of its divisors is an integer number (6264646).
Almost surely, 212529291 is an apocalyptic number.
12529291 is a deficient number, since it is larger than the sum of its proper divisors (1).
12529291 is an equidigital number, since it uses as much as digits as its factorization.
12529291 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 3240, while the sum is 31.
The square root of 12529291 is about 3539.6738550324. The cubic root of 12529291 is about 232.2605759761.
The spelling of 12529291 in words is "twelve million, five hundred twenty-nine thousand, two hundred ninety-one".
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