Converting a positive whole number of length 12 to a unique alphanumeric of length 10

Converting a positive whole number of length 12 to a unique alphanumeric
of length 10

References

Reference NO 1

http://stackoverflow.com/questions/15203558/converting-a-positive-whole-number-of-length-12-to-a-unique-alphanumeric-of-leng

Reference NO 2

http://stackoverflow.com/questions/16509204/converting-numbers-by-euclidean-algorithm-and-the-horners-method

Reference NO 3

http://publib.boulder.ibm.com/iseries/v5r2/ic2924/books/c092540313.htm

Reference NO 4

http://php.net/manual/en/function.base-convert.php

Reference NO 5

http://www.webmasterworld.com/forum88/4899.htm

Reference NO 6

http://book.cakephp.org/2.0/en/models/data-validation.html

Reference NO 7

http://www.cengage.com/resource_uploads/downloads/0495010618_62836.ppt

Reference NO 8

http://en.wikipedia.org/wiki/Base_36