One day, in your setup, is 86bn (plus change). By Wikipedia data, the richest person is Jeff Bezos with 113bn. So who are the two-day-ers? Poorest of them must have almost 173bn, who are those?
This seems pretty unlikely. Putin has certainly done well being a corrupt leader, and probably has control over $200B, but I doubt he has holdings that reach anywhere near that level.
Gaddafi having that much money is a bit of a joke. It would require him having many multiples of the entire country's GDP in his own personal account. Perhaps theoretically possible, but hard to believe without better proof.