Mkaouar, M.; Wannes, W. On the normal number of prime factors of \(\varphi(n)\) subject to certain congruence conditions. (English) Zbl 1396.11112 J. Number Theory 160, 629-645 (2016). MSC: 11N05 11A63 11L03 × Cite Format Result Cite Review PDF Full Text: DOI
Aloui, Karam On the order of magnitude of some arithmetical functions under digital constraint. I. (English) Zbl 1370.11111 Proc. Indian Acad. Sci., Math. Sci. 125, No. 4, 457-476 (2015). MSC: 11N37 11N60 × Cite Format Result Cite Review PDF Full Text: DOI