Base | Representation |
---|---|
bin | 11010110101110010… |
… | …101100101001111111 |
3 | 2202101111111000011021 |
4 | 122311302230221333 |
5 | 433010330114413 |
6 | 21123431405011 |
7 | 2040116001004 |
oct | 326562545177 |
9 | 82344430137 |
10 | 28819769983 |
11 | 1124a010824 |
12 | 5703823767 |
13 | 2943a03444 |
14 | 15757c38ab |
15 | b3a1e618d |
hex | 6b5caca7f |
28819769983 has 2 divisors, whose sum is σ = 28819769984. Its totient is φ = 28819769982.
The previous prime is 28819769947. The next prime is 28819770029. The reversal of 28819769983 is 38996791882.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 28819769983 - 225 = 28786215551 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (28819769483) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14409884991 + 14409884992.
It is an arithmetic number, because the mean of its divisors is an integer number (14409884992).
Almost surely, 228819769983 is an apocalyptic number.
28819769983 is a deficient number, since it is larger than the sum of its proper divisors (1).
28819769983 is an equidigital number, since it uses as much as digits as its factorization.
28819769983 is an evil number, because the sum of its binary digits is even.
The product of its digits is 94058496, while the sum is 70.
The spelling of 28819769983 in words is "twenty-eight billion, eight hundred nineteen million, seven hundred sixty-nine thousand, nine hundred eighty-three".
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