Base | Representation |
---|---|
bin | 11010111111000010… |
… | …010001110101001001 |
3 | 2202210022021212001122 |
4 | 122333002101311021 |
5 | 433320030134403 |
6 | 21151051325025 |
7 | 2044011104312 |
oct | 327702216511 |
9 | 82708255048 |
10 | 28974849353 |
11 | 1131960219a |
12 | 5747750775 |
13 | 2969b90298 |
14 | 158c231609 |
15 | b48b2a838 |
hex | 6bf091d49 |
28974849353 has 2 divisors, whose sum is σ = 28974849354. Its totient is φ = 28974849352.
The previous prime is 28974849347. The next prime is 28974849361. The reversal of 28974849353 is 35394847982.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 22761153424 + 6213695929 = 150868^2 + 78827^2 .
It is a cyclic number.
It is not a de Polignac number, because 28974849353 - 26 = 28974849289 is a prime.
It is a Sophie Germain prime.
It is a Curzon number.
It is not a weakly prime, because it can be changed into another prime (28974849313) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14487424676 + 14487424677.
It is an arithmetic number, because the mean of its divisors is an integer number (14487424677).
Almost surely, 228974849353 is an apocalyptic number.
It is an amenable number.
28974849353 is a deficient number, since it is larger than the sum of its proper divisors (1).
28974849353 is an equidigital number, since it uses as much as digits as its factorization.
28974849353 is an evil number, because the sum of its binary digits is even.
The product of its digits is 52254720, while the sum is 62.
The spelling of 28974849353 in words is "twenty-eight billion, nine hundred seventy-four million, eight hundred forty-nine thousand, three hundred fifty-three".
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