0o25370
0o25370 is an octal numeral written with the 0o prefix. In octal notation, digits range from 0 to 7, and the sequence 2, 5, 3, 7, 0 constitutes a valid octal number. The notation is used in some programming languages to denote integers in base eight.
Converting to decimal yields 11000. In hexadecimal this value is 0x2AF8, and in binary it is 10101011111000.
Usage varies by language. In modern Python (since Python 3), 0o25370 is read as an octal integer.