The sum of all digits of \( \mathrm{n} \) for which \( \sum_{r=1}^{n} r 2^{r}=2+2^{n+10} \) is :

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The sum of all digits of \( \mathrm{n} \) for which \( \sum_{r=1}^{n} r 2^{r}=2+2^{n+10} \) is :
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