Algorithm::CheckDigits::MBase_003(3pm) on Linux
The text 64a149c934e0, as Debian 10 (Buster), Debian 9 (Stretch), Debian 8 (Jessie), Debian 7 (Wheezy), Debian 6.0 (Squeeze) shipped it.
compute check digits for SICI (Serial Item and Contribution Identifier)