As character names:

U+1EAC LATIN CAPITAL LETTER A WITH CIRCUMFLEX AND DOT BELOW character (Ậ)

As raw characters:

Ậ

As a string of HTML entities:

Ậ

Decoder output:

Byte number 1 is decimal 225, hex 0xE1, octal \341, binary 11100001
This is the first byte of a 3 byte sequence.

Byte number 2 is decimal 186, hex 0xBA, octal \272, binary 10111010
This is continuation byte 1, expecting 1 more.

Byte number 3 is decimal 172, hex 0xAC, octal \254, binary 10101100
This is continuation byte 2, expecting 0 more.

U+1EAC	LATIN CAPITAL LETTER A WITH CIRCUMFLEX AND DOT BELOW
	: 1EA0 0302