Search a number
-
+
12868606466694 = 23511175317315443
BaseRepresentation
bin1011101101000011010010…
…1101111001101010000110
31200120020010022101110100000
42323100310231321222012
53141314401223413234
643211431201102130
72465504031113616
oct273206455715206
950506108343300
1012868606466694
1141115aa959450
12153a032327946
1372467318a684
14326bb584ca46
15174b1e309899
hexbb434b79a86

12868606466694 has 384 divisors, whose sum is σ = 34227816150528. Its totient is φ = 3579895388160.

The previous prime is 12868606466669. The next prime is 12868606466717. The reversal of 12868606466694 is 49666460686821.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 833289337 + ... + 833304779.

It is an arithmetic number, because the mean of its divisors is an integer number (89134937892).

Almost surely, 212868606466694 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12868606466694, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17113908075264).

12868606466694 is an abundant number, since it is smaller than the sum of its proper divisors (21359209683834).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12868606466694 is a wasteful number, since it uses less digits than its factorization.

12868606466694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15714 (or 15702 counting only the distinct ones).

The product of its (nonzero) digits is 859963392, while the sum is 72.

The spelling of 12868606466694 in words is "twelve trillion, eight hundred sixty-eight billion, six hundred six million, four hundred sixty-six thousand, six hundred ninety-four".