Base | Representation |
---|---|
bin | 1001110110010010… |
… | …01111101110001001 |
3 | 111122110212221222221 |
4 | 10323021033232021 |
5 | 41312013343404 |
6 | 2232352014041 |
7 | 245010566332 |
oct | 47311175611 |
9 | 14573787887 |
10 | 5287246729 |
11 | 22735707a6 |
12 | 1036831321 |
13 | 66351287b |
14 | 3822b5289 |
15 | 20e296954 |
hex | 13b24fb89 |
5287246729 has 4 divisors (see below), whose sum is σ = 5322261760. Its totient is φ = 5252231700.
The previous prime is 5287246711. The next prime is 5287246751. The reversal of 5287246729 is 9276427825.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-5287246729 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (5287246829) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17507289 + ... + 17507590.
It is an arithmetic number, because the mean of its divisors is an integer number (1330565440).
Almost surely, 25287246729 is an apocalyptic number.
It is an amenable number.
5287246729 is a deficient number, since it is larger than the sum of its proper divisors (35015031).
5287246729 is a wasteful number, since it uses less digits than its factorization.
5287246729 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 35015030.
The product of its digits is 3386880, while the sum is 52.
The square root of 5287246729 is about 72713.4563131199. The cubic root of 5287246729 is about 1742.1138190195.
The spelling of 5287246729 in words is "five billion, two hundred eighty-seven million, two hundred forty-six thousand, seven hundred twenty-nine".
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