In number theory, a totative of a given positive integer {mvar|n} is an integer {mvar|k} such that {math|0 < k < n} and {mvar|k} is coprime to {mvar|n}. Euler`s totient function φ(n) counts the number of totatives of n. The totatives under multiplication modulo n form the multiplicative group of integers modulo n. for some constant C and this wa....