Base | Representation |
---|---|
bin | 1111011011010… |
… | …10010100110101 |
3 | 100000111201122012 |
4 | 13231222110311 |
5 | 231112112412 |
6 | 20501414005 |
7 | 3130653446 |
oct | 755522465 |
9 | 300451565 |
10 | 129410357 |
11 | 67059a0a |
12 | 3740a305 |
13 | 20a7029b |
14 | 132892cd |
15 | b563c22 |
hex | 7b6a535 |
129410357 has 2 divisors, whose sum is σ = 129410358. Its totient is φ = 129410356.
The previous prime is 129410353. The next prime is 129410389. The reversal of 129410357 is 753014921.
It is an a-pointer prime, because the next prime (129410389) can be obtained adding 129410357 to its sum of digits (32).
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 103103716 + 26306641 = 10154^2 + 5129^2 .
It is an emirp because it is prime and its reverse (753014921) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 129410357 - 22 = 129410353 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (129410353) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64705178 + 64705179.
It is an arithmetic number, because the mean of its divisors is an integer number (64705179).
Almost surely, 2129410357 is an apocalyptic number.
It is an amenable number.
129410357 is a deficient number, since it is larger than the sum of its proper divisors (1).
129410357 is an equidigital number, since it uses as much as digits as its factorization.
129410357 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 7560, while the sum is 32.
The square root of 129410357 is about 11375.8673075946. The cubic root of 129410357 is about 505.8126405654.
The spelling of 129410357 in words is "one hundred twenty-nine million, four hundred ten thousand, three hundred fifty-seven".
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