You'll see the Hebrew spelling of your name here, for example:
Which is Resh - Beth - Kaph - Heh as you have already worked out! This would be transliterated as RBKH in English characters.
Your further gematria on the correspondences is also perfectly done, using the Golden Dawn system. The occurance of Aries as a correspondence of the Emporer, attributed to Heh, is coincidental to your sun-sign, but may have a particular meaning to you if you wish!
The Tarot cards corresponding to your name are an interesting and powerful combination - your name embodies the ideas of;
Awareness and Light
The name is derived from the meaning, 'to bind' so you might want to think about how the Universe 'binds' things together in Light, Communication, Cycles and Energy ...
In the Great Work