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12905582376960 = 2113357134379151
BaseRepresentation
bin1011101111001101000010…
…1001110011100000000000
31200200202120020002022121000
42323303100221303200000
53142421113042030320
643240424231132000
72501253235140360
oct273632051634000
950622506068530
1012905582376960
114126254893079
121545231514000
13727cb6872910
143288c25429a0
15175a8558ec90
hexbbcd0a73800

12905582376960 has 3072 divisors, whose sum is σ = 58893778944000. Its totient is φ = 2608555622400.

The previous prime is 12905582376847. The next prime is 12905582376961. The reversal of 12905582376960 is 6967328550921.

12905582376960 is a `hidden beast` number, since 1 + 2 + 9 + 0 + 558 + 2 + 3 + 76 + 9 + 6 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (3072).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12905582376961) by changing a digit.

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 255 ways as a sum of consecutive naturals, for example, 85467432885 + ... + 85467433035.

It is an arithmetic number, because the mean of its divisors is an integer number (19171152000).

Almost surely, 212905582376960 is an apocalyptic number.

12905582376960 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 12905582376960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29446889472000).

12905582376960 is an abundant number, since it is smaller than the sum of its proper divisors (45988196567040).

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

12905582376960 is a wasteful number, since it uses less digits than its factorization.

12905582376960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329 (or 303 counting only the distinct ones).

The product of its (nonzero) digits is 48988800, while the sum is 63.

The spelling of 12905582376960 in words is "twelve trillion, nine hundred five billion, five hundred eighty-two million, three hundred seventy-six thousand, nine hundred sixty".