to_bin()

Converts the number to its equivalent two's complement binary representation.

Signature

to_bin ( integer ) → text
to_bin ( bigint ) → text

Examples

SELECT to_bin(2147483647);

1111111111111111111111111111111

SELECT to_bin(-1234);

11111111111111111111101100101110

Run against PostgreSQL 18.6 on 2026-09-13. This is the output we got, not the documentation’s.

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