Base | Representation |
---|---|
bin | 11010000111111101… |
… | …001000001110111010 |
3 | 2200101220102212102010 |
4 | 122013331020032322 |
5 | 424421443034232 |
6 | 20515240550350 |
7 | 2012060314236 |
oct | 320775101672 |
9 | 80356385363 |
10 | 28050752442 |
11 | 10994a11539 |
12 | 552a1823b6 |
13 | 28505aa78b |
14 | 15016015c6 |
15 | ae293e0cc |
hex | 687f483ba |
28050752442 has 16 divisors (see below), whose sum is σ = 57911231232. Its totient is φ = 9048629760.
The previous prime is 28050752419. The next prime is 28050752453. The reversal of 28050752442 is 24425705082.
It is a self number, because there is not a number n which added to its sum of digits gives 28050752442.
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, 75405063 + ... + 75405434.
It is an arithmetic number, because the mean of its divisors is an integer number (3619451952).
Almost surely, 228050752442 is an apocalyptic number.
28050752442 is an abundant number, since it is smaller than the sum of its proper divisors (29860478790).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28050752442 is a wasteful number, since it uses less digits than its factorization.
28050752442 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 150810533.
The product of its (nonzero) digits is 179200, while the sum is 39.
The spelling of 28050752442 in words is "twenty-eight billion, fifty million, seven hundred fifty-two thousand, four hundred forty-two".
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