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Excel で 大きい数の DEC2BIN()がなくて困った時の対処 (32bitまで対応)

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A1のセルに目的の数値を置いた場合

=CONCATENATE(RIGHT("00000000"&DEC2BIN(QUOTIENT(A1,2^24)),8)," ",RIGHT("00000000"&DEC2BIN(QUOTIENT(  MOD(A1,2^24),2^16)),8)," ",RIGHT("00000000"&DEC2BIN(QUOTIENT(MOD(A1,2^16),2^8)),8)," ",RIGHT("00000000"&DEC2BIN(MOD(A1,2^8)),8))
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