Base | Representation |
---|---|
bin | 11010011100011101… |
… | …011000001010010110 |
3 | 2201021212201210012011 |
4 | 122130131120022112 |
5 | 431123024004424 |
6 | 21013330014434 |
7 | 2023435253326 |
oct | 323435301226 |
9 | 81255653164 |
10 | 28394750614 |
11 | 1105110744a |
12 | 560541741a |
13 | 28a6941ba9 |
14 | 1535189286 |
15 | b12c3e694 |
hex | 69c758296 |
28394750614 has 4 divisors (see below), whose sum is σ = 42592125924. Its totient is φ = 14197375306.
The previous prime is 28394750609. The next prime is 28394750647. The reversal of 28394750614 is 41605749382.
It is a happy number.
It is a semiprime because it is the product of two primes.
It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7098687652 + ... + 7098687655.
It is an arithmetic number, because the mean of its divisors is an integer number (10648031481).
It is a 1-persistent number, because it is pandigital, but 2⋅28394750614 = 56789501228 is not.
Almost surely, 228394750614 is an apocalyptic number.
28394750614 is a deficient number, since it is larger than the sum of its proper divisors (14197375310).
28394750614 is a wasteful number, since it uses less digits than its factorization.
28394750614 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14197375309.
The product of its (nonzero) digits is 1451520, while the sum is 49.
The spelling of 28394750614 in words is "twenty-eight billion, three hundred ninety-four million, seven hundred fifty thousand, six hundred fourteen".
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