Date: 13 July 2022

0x7FFFFFFF

The constant 0x7FFFFFFF id a 32-bit integer in hexadecimal with all but the highest bit set.

Conversion

• Decimal = 2147483647
• Binary = 1111111111111111111111111111111

In computing

The number 2,147,483,647 (or hexadecimal 7FFFFFFF base16) is the maximum positive value for a 32-bit signed binary integer in computing. The apperance of the number often reflects an error, overflow condition, or missing value.

In December 2014, it was reported that PSY’s music video “Gangnam Style” had exceeded the 32-bit integer limit for YouTube’s view counter, necessitating that YouTube upgrade the counter to a 64-bit integer. In fact, this was an “easter egg” joke shared by the company, as Google had reportedly switched to a 64-bit integer several months prior.