Numbers 3:44

41 and thou hast taken the Levites for Me (I [am] Jehovah), instead of every first-born among the sons of Israel, and the cattle of the Levites instead of every firstling among the cattle of the sons of Israel.`

42 And Moses numbereth, as Jehovah hath commanded him, all the first-born among the sons of Israel.

43 And all the first-born -- male -- by the number of names, from a son of a month and upward, of their numbered ones, are two and twenty thousand two hundred and seventy and three.

45 `Take the Levites instead of every first-born among the sons of Israel, and the cattle of the Levites instead of their cattle; and the Levites have been Mine; I [am] Jehovah.

46 `And [from] those ransomed of the two hundred and seventy and three (who are more than the Levites) of the first-born of the sons of Israel,

47 thou hast even taken five shekels a-piece by the poll -- by the shekel of the sanctuary thou takest; twenty gerahs the shekel [is];