Base | Representation |
---|---|
bin | 110010110010110… |
… | …000111001111001 |
3 | 2012101111122011101 |
4 | 302302300321321 |
5 | 3221123341223 |
6 | 220320531401 |
7 | 30055211503 |
oct | 6262607171 |
9 | 2171448141 |
10 | 852168313 |
11 | 3a8032737 |
12 | 1b9480b61 |
13 | 10771a209 |
14 | 81268d73 |
15 | 4ec2e4ad |
hex | 32cb0e79 |
852168313 has 4 divisors (see below), whose sum is σ = 872952948. Its totient is φ = 831383680.
The previous prime is 852168293. The next prime is 852168319. The reversal of 852168313 is 313861258.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 145033849 + 707134464 = 12043^2 + 26592^2 .
It is a cyclic number.
It is not a de Polignac number, because 852168313 - 29 = 852167801 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (852168319) 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, 10392256 + ... + 10392337.
It is an arithmetic number, because the mean of its divisors is an integer number (218238237).
Almost surely, 2852168313 is an apocalyptic number.
It is an amenable number.
852168313 is a deficient number, since it is larger than the sum of its proper divisors (20784635).
852168313 is a wasteful number, since it uses less digits than its factorization.
852168313 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20784634.
The product of its digits is 34560, while the sum is 37.
The square root of 852168313 is about 29191.9220504577. The cubic root of 852168313 is about 948.0730332531.
The spelling of 852168313 in words is "eight hundred fifty-two million, one hundred sixty-eight thousand, three hundred thirteen".
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