I have just met a girl in a bar, and got her number after some non-sense talk. She gave her number and said that the number after the area code is also her name, and she wants me to call her only if I can figure out her name:
Before calling her again, I need to figure out her name! Help please.
Hint: Girl's name has 7 letters as the number of digits. And it is more math than crypto.
Hint 2: The first letter of her name is B.