Search a number
-
+
12919170808764 = 22331131931532879
BaseRepresentation
bin1011101111111111101010…
…0101100011101110111100
31200202001122020010011202000
42323333322211203232330
53143131430211340024
643250552442302300
72502244044663543
oct273777245435674
950661566104660
1012919170808764
114130a98135000
1215479a41b7990
13729370b1c8cc
143294110c315a
151760cd4c6cc9
hexbbffa963bbc

12919170808764 has 768 divisors, whose sum is σ = 40800485376000. Its totient is φ = 3520268294400.

The previous prime is 12919170808757. The next prime is 12919170808771. The reversal of 12919170808764 is 46780807191921.

It is an interprime number because it is at equal distance from previous prime (12919170808757) and next prime (12919170808771).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 4487379877 + ... + 4487382755.

It is an arithmetic number, because the mean of its divisors is an integer number (53125632000).

Almost surely, 212919170808764 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12919170808764, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20400242688000).

12919170808764 is an abundant number, since it is smaller than the sum of its proper divisors (27881314567236).

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

12919170808764 is a wasteful number, since it uses less digits than its factorization.

12919170808764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3028 (or 2998 counting only the distinct ones).

The product of its (nonzero) digits is 12192768, while the sum is 63.

The spelling of 12919170808764 in words is "twelve trillion, nine hundred nineteen billion, one hundred seventy million, eight hundred eight thousand, seven hundred sixty-four".