pack a UTF8 string in a huge number, and unpack it

pack_string_in_number_and_back.rb

def string_to_number(str)
  Integer('0b' + str.unpack('B*')[0])
end

def number_to_utf8_string(num)
  str = [num.to_s(2)].pack('B*')
  str.force_encoding(Encoding::UTF_8)
end

p string_to_number("мудак")

p number_to_utf8_string(string_to_number("мудак"))

p "мудак" == number_to_utf8_string(string_to_number("мудак"))