Am i stupid for being with a guy who hitts me?

my boyfriend snd i first stsrted in a realationship where heraped me and force me to be in the realationship and we have still been together for 9 year im im 32 help and he cheates on me and has 5 baby mamas and 12 kids andhe hits me i have had severel injuries help what do i do i dont know how to leave hm and hes in the poloce dapartment so i dont wanna call the police