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12864277712160 = 253457243617723
BaseRepresentation
bin1011101100110011001010…
…1101000000110100100000
31200112210221122001221110000
42323030302231000310200
53141232020043242120
643205433444540000
72465261536240200
oct273146255006440
950483848057400
1012864277712160
11410a789441066
1215392246b1600
13724133411064
143268c499c400
15174969295990
hexbb332b40d20

12864277712160 has 1440 divisors, whose sum is σ = 54933675394752. Its totient is φ = 2824576634880.

The previous prime is 12864277712113. The next prime is 12864277712197. The reversal of 12864277712160 is 6121777246821.

12864277712160 is a `hidden beast` number, since 1 + 2 + 86 + 427 + 77 + 12 + 1 + 60 = 666.

It is a tau number, because it is divible by the number of its divisors (1440).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 12864277712097 and 12864277712106.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 1665706059 + ... + 1665713781.

Almost surely, 212864277712160 is an apocalyptic number.

12864277712160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12864277712160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27466837697376).

12864277712160 is an abundant number, since it is smaller than the sum of its proper divisors (42069397682592).

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

12864277712160 is a wasteful number, since it uses less digits than its factorization.

12864277712160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7868 (or 7844 counting only the distinct ones).

The product of its (nonzero) digits is 3161088, while the sum is 54.

The spelling of 12864277712160 in words is "twelve trillion, eight hundred sixty-four billion, two hundred seventy-seven million, seven hundred twelve thousand, one hundred sixty".