As character names:

U+0040 COMMERCIAL AT character (@)

As raw characters:

@

As a string of HTML entities:

@

Decoder output:

Byte number 1 is decimal 64, hex 0x40, octal \100, binary 01000000

U+0040	COMMERCIAL AT
	= at sign
	= arroba (old Spanish unit of weight)
	x (circled latin small letter a - 24D0)