Base | Representation |
---|---|
bin | 11010010111111010… |
… | …001110111101100011 |
3 | 2201002120010020122201 |
4 | 122113322032331203 |
5 | 430444004212102 |
6 | 21002002114031 |
7 | 2021520450400 |
oct | 322772167543 |
9 | 81076106581 |
10 | 28318429027 |
11 | 11012018959 |
12 | 55a394b917 |
13 | 2893b9bba5 |
14 | 1528d9d2a7 |
15 | b0b1b5987 |
hex | 697e8ef63 |
28318429027 has 24 divisors (see below), whose sum is σ = 34692138000. Its totient is φ = 22984468416.
The previous prime is 28318429019. The next prime is 28318429043. The reversal of 28318429027 is 72092481382.
It is not a de Polignac number, because 28318429027 - 23 = 28318429019 is a prime.
It is not an unprimeable number, because it can be changed into a prime (28318429627) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2367153 + ... + 2379085.
It is an arithmetic number, because the mean of its divisors is an integer number (1445505750).
Almost surely, 228318429027 is an apocalyptic number.
28318429027 is a deficient number, since it is larger than the sum of its proper divisors (6373708973).
28318429027 is a wasteful number, since it uses less digits than its factorization.
28318429027 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14515 (or 14508 counting only the distinct ones).
The product of its (nonzero) digits is 387072, while the sum is 46.
The spelling of 28318429027 in words is "twenty-eight billion, three hundred eighteen million, four hundred twenty-nine thousand, twenty-seven".
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