The term acanthosis nigricans is identified in base64 scheme by the sequence YWNhbnRob3NpcyBuaWdyaWNhbnM=, while the MD5 signature is equal to 649b037e062cee64deaab2f88d024963. The ASCII encoding of acanthosis nigricans in hexadecimal notation is 6163616e74686f736973206e6967726963616e73.