31138512896
domain: N
Appears in sequences
- a(n) = n*2^n - 2^n = 2^n*(n-1).at n=29A058922
- Smallest number beginning with the digits of n that has exactly n prime factors (counted with multiplicity).at n=30A109686
- a(n) = n*4^(n/2 - 1)*(9 + (-1)^n).at n=29A187274
- a(n) is the least k such that A161606(k) = n or a(n) = -1 if no such k exists.at n=31A385677
- Smallest integer k whose sum of its distinct prime factors and bigomega(k) both equal n; or -1 if no such integer exists.at n=29A386605