is 109,080,000 rep points. if you count in having premium, being a clan owner, having a friend who is also premium, both of you having 6 star realms, and in your clan, building 5000 blocks in total, half and half in each realm, and continue for 24 hours, you end up with a lot of rep in a day

60 (6 stars) x 1.5 (building in a clan realm) x 5000 (amount of actions in an hour) x 1.01 (being clan owner) x 24 (all the hours in a day) x 3 (premium)