DLMF:27.3.E3 (Q8004)

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Language	Label	Description	Also known as
English	DLMF:27.3.E3	No description defined

Statements

Defining formula

{\displaystyle{\displaystyle\phi\left(n\right)=n\prod_{p\mathbin{|}n}(1-p^{-1}% ),}}

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DLMF:27.3.E3

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Euler’s totient

Defining formula

{\displaystyle{\displaystyle\phi\left(\NVar{n}\right)}}

C27.S2.E7.m2adec

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Defining formula

{\displaystyle{\displaystyle n}}

C27.S1.XMD4.m1bdec

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Defining formula

{\displaystyle{\displaystyle p,p_{1},\ldots}}

C27.S1.XMD5.m1adec

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Sitelinks

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