Base | Representation |
---|---|
bin | 1010011110101110… |
… | …0100011000011101 |
3 | 21021001120012020202 |
4 | 2213223210120131 |
5 | 21230140410120 |
6 | 1143052553245 |
7 | 126466641515 |
oct | 24753443035 |
9 | 7231505222 |
10 | 2813216285 |
11 | 1213a95040 |
12 | 666182825 |
13 | 35aaa6a29 |
14 | 1c98a4845 |
15 | 116e9a875 |
hex | a7ae461d |
2813216285 has 32 divisors (see below), whose sum is σ = 3883075200. Its totient is φ = 1935048960.
The previous prime is 2813216281. The next prime is 2813216299. The reversal of 2813216285 is 5826123182.
It is not a de Polignac number, because 2813216285 - 22 = 2813216281 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2813216281) 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 31 ways as a sum of consecutive naturals, for example, 739007 + ... + 742803.
It is an arithmetic number, because the mean of its divisors is an integer number (121346100).
Almost surely, 22813216285 is an apocalyptic number.
It is an amenable number.
2813216285 is a deficient number, since it is larger than the sum of its proper divisors (1069858915).
2813216285 is a wasteful number, since it uses less digits than its factorization.
2813216285 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4541.
The product of its digits is 46080, while the sum is 38.
The square root of 2813216285 is about 53039.7613588146. The cubic root of 2813216285 is about 1411.6738642598.
The spelling of 2813216285 in words is "two billion, eight hundred thirteen million, two hundred sixteen thousand, two hundred eighty-five".
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