As character names:

U+1F63B SMILING CAT FACE WITH HEART-SHAPED EYES 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 152, hex 0x98, octal \230, binary 10011000
This is continuation byte 2, expecting 1 more.

Byte number 4 is decimal 187, hex 0xBB, octal \273, binary 10111011
This is continuation byte 3, expecting 0 more.

U+1F63B	SMILING CAT FACE WITH HEART-SHAPED EYES