2^219 states

2²¹⁹ states

But that's just one star, and a measly one at that. A typical supernova releases something like 10⁵¹ ergs. (About a hundred times as much energy would be released in the form of neutrinos, but let them go for now.) If all of this energy could be channeled into a single orgy of computation, a 219-bit counter could be cycled through all of its states.
    https://www.schneier.com/blog/archives/2009/09/the_doghouse_cr.html