Need help creating tablespace with initial_extent, blocksize, and uniform size clause

create tablespace DATUM
datafile'/opt/app/oradata01/HMPROD/datum_01.dbf' size 5000m
initial_extent 32M
blocksize 32k
EXTENT MANAGEMENT LOCAL UNIFORM SIZE 32M;
initial_extent 32M
*
ERROR at line 3:
ORA-02180: invalid option for CREATE TABLESPACE

you have given the size 32M, no need for initial extent as they are all the same