Base | Representation |
---|---|
bin | 1010011100000100… |
… | …0101111000100001 |
3 | 21020021121110221101 |
4 | 2213001011320201 |
5 | 21214313100223 |
6 | 1142014154401 |
7 | 126303204163 |
oct | 24701057041 |
9 | 7207543841 |
10 | 2802081313 |
11 | 120877a189 |
12 | 6624b2a01 |
13 | 3586a86a5 |
14 | 1c8206933 |
15 | 115eeb4ad |
hex | a7045e21 |
2802081313 has 2 divisors, whose sum is σ = 2802081314. Its totient is φ = 2802081312.
The previous prime is 2802081307. The next prime is 2802081323. The reversal of 2802081313 is 3131802082.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 2553483024 + 248598289 = 50532^2 + 15767^2 .
It is a cyclic number.
It is not a de Polignac number, because 2802081313 - 229 = 2265210401 is a prime.
It is not a weakly prime, because it can be changed into another prime (2802081323) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1401040656 + 1401040657.
It is an arithmetic number, because the mean of its divisors is an integer number (1401040657).
Almost surely, 22802081313 is an apocalyptic number.
It is an amenable number.
2802081313 is a deficient number, since it is larger than the sum of its proper divisors (1).
2802081313 is an equidigital number, since it uses as much as digits as its factorization.
2802081313 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 2304, while the sum is 28.
The square root of 2802081313 is about 52934.6891272632. The cubic root of 2802081313 is about 1409.8088893103.
Adding to 2802081313 its reverse (3131802082), we get a palindrome (5933883395).
The spelling of 2802081313 in words is "two billion, eight hundred two million, eighty-one thousand, three hundred thirteen".
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