Base | Representation |
---|---|
bin | 1111011011100… |
… | …11010111110101 |
3 | 100000120121110122 |
4 | 13231303113311 |
5 | 231114304123 |
6 | 20502301325 |
7 | 3131166464 |
oct | 755632765 |
9 | 300517418 |
10 | 129447413 |
11 | 67084837 |
12 | 37427845 |
13 | 20a84104 |
14 | 132989db |
15 | b56ebc8 |
hex | 7b735f5 |
129447413 has 16 divisors (see below), whose sum is σ = 137060352. Its totient is φ = 122094000.
The previous prime is 129447407. The next prime is 129447433. The reversal of 129447413 is 314744921.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 129447413 - 24 = 129447397 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (129447403) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 226418 + ... + 226988.
It is an arithmetic number, because the mean of its divisors is an integer number (8566272).
Almost surely, 2129447413 is an apocalyptic number.
It is an amenable number.
129447413 is a deficient number, since it is larger than the sum of its proper divisors (7612939).
129447413 is a wasteful number, since it uses less digits than its factorization.
129447413 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 776.
The product of its digits is 24192, while the sum is 35.
The square root of 129447413 is about 11377.4959019988. The cubic root of 129447413 is about 505.8609149202.
The spelling of 129447413 in words is "one hundred twenty-nine million, four hundred forty-seven thousand, four hundred thirteen".
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