Base | Representation |
---|---|
bin | 11010110011101010… |
… | …010110110101001010 |
3 | 2202022000020011202020 |
4 | 122303222112311022 |
5 | 432422202412002 |
6 | 21120113345310 |
7 | 2036203131621 |
oct | 326352266512 |
9 | 82260204666 |
10 | 28784029002 |
11 | 1123091a023 |
12 | 56b3868236 |
13 | 293949b331 |
14 | 1570b5c6b8 |
15 | b36ed62bc |
hex | 6b3a96d4a |
28784029002 has 16 divisors (see below), whose sum is σ = 57751985280. Its totient is φ = 9564021792.
The previous prime is 28784028979. The next prime is 28784029033. The reversal of 28784029002 is 20092048782.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7661602 + ... + 7665357.
It is an arithmetic number, because the mean of its divisors is an integer number (3609499080).
Almost surely, 228784029002 is an apocalyptic number.
28784029002 is an abundant number, since it is smaller than the sum of its proper divisors (28967956278).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28784029002 is a wasteful number, since it uses less digits than its factorization.
28784029002 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15327277.
The product of its (nonzero) digits is 129024, while the sum is 42.
The spelling of 28784029002 in words is "twenty-eight billion, seven hundred eighty-four million, twenty-nine thousand, two".
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