SINCE 1828
sep·ten·de·cil·lion
| \ (ˌ)sep-ˌten-di-ˈsil-yən
\
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Definition of septendecillion
US
: a number equal to 1 followed by 54 zeros — see Table of Numbers
also, British
: a number equal to 1 followed by 102 zeros — see Table of Numbers
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