As character names:

U+1F6AC SMOKING SYMBOL character (🚬)

As raw characters:

🚬

As a string of HTML entities:

🚬

Decoder output:

Byte number 1 is decimal 240, hex 0xF0, octal \360, binary 11110000
This is the first byte of a 4 byte sequence.

Byte number 2 is decimal 159, hex 0x9F, octal \237, binary 10011111
This is continuation byte 1, expecting 2 more.

Byte number 3 is decimal 154, hex 0x9A, octal \232, binary 10011010
This is continuation byte 2, expecting 1 more.

Byte number 4 is decimal 172, hex 0xAC, octal \254, binary 10101100
This is continuation byte 3, expecting 0 more.

U+1F6AC	SMOKING SYMBOL