When one or more of those nominated as coexecutors in a will is not appointed, or when the appointment of one or more joint personal representatives is terminated, every power granted to such joint personal representatives may be exercised by the surviving representative or representatives; provided that nothing to the contrary appears in the will of a testate decedent. (C.C.P., s. 451; Code, s. 2164; Rev., s. 13; C.S., s. 16; 1931, c. 183; 1953, c. 78, s. 1; 1973, c. 1329, s. 3.)