Base | Representation |
---|---|
bin | 1010101011000101… |
… | …1010011111111001 |
3 | 21101200011011022200 |
4 | 2222301122133321 |
5 | 21331430032223 |
6 | 1152144340413 |
7 | 130666531554 |
oct | 25261323771 |
9 | 7350134280 |
10 | 2865080313 |
11 | 1240299277 |
12 | 67b614709 |
13 | 3687656c4 |
14 | 1d272569b |
15 | 11b7e2a43 |
hex | aac5a7f9 |
2865080313 has 12 divisors (see below), whose sum is σ = 4161316068. Its totient is φ = 1899499680.
The previous prime is 2865080303. The next prime is 2865080321. The reversal of 2865080313 is 3130805682.
It can be written as a sum of positive squares in 2 ways, for example, as 153066384 + 2712013929 = 12372^2 + 52077^2 .
It is not a de Polignac number, because 2865080313 - 210 = 2865079289 is a prime.
It is not an unprimeable number, because it can be changed into a prime (2865080303) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 877770 + ... + 881027.
It is an arithmetic number, because the mean of its divisors is an integer number (346776339).
Almost surely, 22865080313 is an apocalyptic number.
It is an amenable number.
2865080313 is a deficient number, since it is larger than the sum of its proper divisors (1296235755).
2865080313 is a wasteful number, since it uses less digits than its factorization.
2865080313 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1758984 (or 1758981 counting only the distinct ones).
The product of its (nonzero) digits is 34560, while the sum is 36.
The square root of 2865080313 is about 53526.4449875013. Note that the first 3 decimals coincide. The cubic root of 2865080313 is about 1420.2962274608.
Adding to 2865080313 its reverse (3130805682), we get a palindrome (5995885995).
The spelling of 2865080313 in words is "two billion, eight hundred sixty-five million, eighty thousand, three hundred thirteen".
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