libzarith-ocaml 1.9.1-1build1 (ppc64el binary) in ubuntu focal

 The Zarith library implements arithmetic and logical operations over
 arbitrary-precision integers. It uses GMP to efficiently implement
 arithmetic over big integers. Small integers are represented as Caml
 unboxed integers, for speed and space economy.
 .
 This package provides the shared library for running applications linked
 against libzarith-ocaml.