Base | Representation |
---|---|
bin | 11010101111001000… |
… | …101010110100011111 |
3 | 2202002201100000210222 |
4 | 122233020222310133 |
5 | 432243232322434 |
6 | 21104401551555 |
7 | 2034261505553 |
oct | 325710526437 |
9 | 82081300728 |
10 | 28708089119 |
11 | 111a1a71296 |
12 | 56923455bb |
13 | 292682cca8 |
14 | 1564a31863 |
15 | b304d572e |
hex | 6af22ad1f |
28708089119 has 2 divisors, whose sum is σ = 28708089120. Its totient is φ = 28708089118.
The previous prime is 28708089049. The next prime is 28708089167. The reversal of 28708089119 is 91198080782.
It is a happy number.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 28708089119 - 220 = 28707040543 is a prime.
It is a super-2 number, since 2×287080891192 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (28708089019) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14354044559 + 14354044560.
It is an arithmetic number, because the mean of its divisors is an integer number (14354044560).
Almost surely, 228708089119 is an apocalyptic number.
28708089119 is a deficient number, since it is larger than the sum of its proper divisors (1).
28708089119 is an equidigital number, since it uses as much as digits as its factorization.
28708089119 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 580608, while the sum is 53.
The spelling of 28708089119 in words is "twenty-eight billion, seven hundred eight million, eighty-nine thousand, one hundred nineteen".
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