C:\_32>perl -le "print scalar reverse unpack 'h*', pack 'd<', -8.2727285363069939e-293;"
834a6aec8f94134c

##</code><code>##

C:\_32>perl -MPOSIX -le "print scalar reverse unpack 'h*', pack 'd<', POSIX::strtod('-8.2727285363069939e-293');"
834a6aec8f941351

C:\_32>perl -MPOSIX -le "printf '% 25.17g', POSIX::strtod('-8.2727285363069939e-293');"
 -8.2727285363069939e-293