Base | Representation |
---|---|
bin | 11010010111010110… |
… | …010100011010110000 |
3 | 2201001220101220221010 |
4 | 122113112110122300 |
5 | 430434101423232 |
6 | 21001024230520 |
7 | 2021344436034 |
oct | 322726243260 |
9 | 81056356833 |
10 | 28309014192 |
11 | 110077783a8 |
12 | 55a076b440 |
13 | 2891c53794 |
14 | 1527a2c1c4 |
15 | b0a4560cc |
hex | 6975946b0 |
28309014192 has 40 divisors (see below), whose sum is σ = 76311258624. Its totient is φ = 9026062144.
The previous prime is 28309014163. The next prime is 28309014203. The reversal of 28309014192 is 29141090382.
It is a self number, because there is not a number n which added to its sum of digits gives 28309014192.
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 in 7 ways as a sum of consecutive naturals, for example, 12820008 + ... + 12822215.
Almost surely, 228309014192 is an apocalyptic number.
It is an amenable number.
28309014192 is an abundant number, since it is smaller than the sum of its proper divisors (48002244432).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28309014192 is a wasteful number, since it uses less digits than its factorization.
28309014192 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 25642257 (or 25642251 counting only the distinct ones).
The product of its (nonzero) digits is 31104, while the sum is 39.
The spelling of 28309014192 in words is "twenty-eight billion, three hundred nine million, fourteen thousand, one hundred ninety-two".
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