Base | Representation |
---|---|
bin | 110010100110101… |
… | …110101100001001 |
3 | 2012011120100120221 |
4 | 302212232230021 |
5 | 3214321413023 |
6 | 220125150041 |
7 | 30016332025 |
oct | 6246565411 |
9 | 2164510527 |
10 | 849013513 |
11 | 3a6278467 |
12 | 1b83bb321 |
13 | 106b8427a |
14 | 80a87385 |
15 | 4e80985d |
hex | 329aeb09 |
849013513 has 4 divisors (see below), whose sum is σ = 885927168. Its totient is φ = 812099860.
The previous prime is 849013511. The next prime is 849013597. The reversal of 849013513 is 315310948.
849013513 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
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 not a de Polignac number, because 849013513 - 21 = 849013511 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (849013511) 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, 18456793 + ... + 18456838.
It is an arithmetic number, because the mean of its divisors is an integer number (221481792).
Almost surely, 2849013513 is an apocalyptic number.
It is an amenable number.
849013513 is a deficient number, since it is larger than the sum of its proper divisors (36913655).
849013513 is a wasteful number, since it uses less digits than its factorization.
849013513 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 36913654.
The product of its (nonzero) digits is 12960, while the sum is 34.
The square root of 849013513 is about 29137.8364502240. The cubic root of 849013513 is about 946.9016373660.
The spelling of 849013513 in words is "eight hundred forty-nine million, thirteen thousand, five hundred thirteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.085 sec. • engine limits •