Base | Representation |
---|---|
bin | 1111011111011… |
… | …00010010111001 |
3 | 100001111202220002 |
4 | 13233230102321 |
5 | 231231131323 |
6 | 20521042345 |
7 | 3135331505 |
oct | 757542271 |
9 | 301452802 |
10 | 129942713 |
11 | 6739297a |
12 | 376263b5 |
13 | 20bc86a4 |
14 | 13387305 |
15 | b61b828 |
hex | 7bec4b9 |
129942713 has 8 divisors (see below), whose sum is σ = 137790720. Its totient is φ = 122117440.
The previous prime is 129942677. The next prime is 129942737. The reversal of 129942713 is 317249921.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 129942713 - 216 = 129877177 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (129942763) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6908 + ... + 17538.
It is an arithmetic number, because the mean of its divisors is an integer number (17223840).
Almost surely, 2129942713 is an apocalyptic number.
It is an amenable number.
129942713 is a deficient number, since it is larger than the sum of its proper divisors (7848007).
129942713 is a wasteful number, since it uses less digits than its factorization.
129942713 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11367.
The product of its digits is 27216, while the sum is 38.
The square root of 129942713 is about 11399.2417730303. The cubic root of 129942713 is about 506.5052796146.
The spelling of 129942713 in words is "one hundred twenty-nine million, nine hundred forty-two thousand, seven hundred thirteen".
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