Base | Representation |
---|---|
bin | 101010100000011… |
… | …011011001010011 |
3 | 1211200220110111201 |
4 | 222200123121103 |
5 | 2430031101031 |
6 | 154433052031 |
7 | 23446423465 |
oct | 5240333123 |
9 | 1750813451 |
10 | 713143891 |
11 | 336607619 |
12 | 17a9b7017 |
13 | b4991c45 |
14 | 6a9da135 |
15 | 4291bd61 |
hex | 2a81b653 |
713143891 has 8 divisors (see below), whose sum is σ = 751461120. Its totient is φ = 674905032.
The previous prime is 713143889. The next prime is 713143943. The reversal of 713143891 is 198341317.
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 713143891 - 21 = 713143889 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 713143891.
It is not an unprimeable number, because it can be changed into a prime (713143811) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 415 + ... + 37768.
It is an arithmetic number, because the mean of its divisors is an integer number (93932640).
Almost surely, 2713143891 is an apocalyptic number.
713143891 is a deficient number, since it is larger than the sum of its proper divisors (38317229).
713143891 is a wasteful number, since it uses less digits than its factorization.
713143891 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 39185.
The product of its digits is 18144, while the sum is 37.
The square root of 713143891 is about 26704.7540898620. The cubic root of 713143891 is about 893.4269637915.
The spelling of 713143891 in words is "seven hundred thirteen million, one hundred forty-three thousand, eight hundred ninety-one".
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