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1268320325886 = 23281186883157
BaseRepresentation
bin10010011101001101110…
…010000101000011111110
311111020202102110021010200
4102131031302011003332
5131240010000412021
62410354110144330
7160430105614425
oct22351562050376
94436672407120
101268320325886
11449989839139
12185985ab20a6
13927a9a51643
144555c02a2bc
1522ed2b10126
hex1274dc850fe

1268320325886 has 24 divisors (see below), whose sum is σ = 2751415847544. Its totient is φ = 422252138160.

The previous prime is 1268320325837. The next prime is 1268320325887. The reversal of 1268320325886 is 6885230238621.

It is a happy number.

1268320325886 is a `hidden beast` number, since 1 + 2 + 6 + 8 + 3 + 20 + 32 + 588 + 6 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1268320325887) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43426981 + ... + 43456176.

It is an arithmetic number, because the mean of its divisors is an integer number (114642326981).

Almost surely, 21268320325886 is an apocalyptic number.

1268320325886 is an abundant number, since it is smaller than the sum of its proper divisors (1483095521658).

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

1268320325886 is a wasteful number, since it uses less digits than its factorization.

1268320325886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86883976 (or 86883973 counting only the distinct ones).

The product of its (nonzero) digits is 6635520, while the sum is 54.

The spelling of 1268320325886 in words is "one trillion, two hundred sixty-eight billion, three hundred twenty million, three hundred twenty-five thousand, eight hundred eighty-six".

Divisors: 1 2 3 6 9 18 811 1622 2433 4866 7299 14598 86883157 173766314 260649471 521298942 781948413 1563896826 70462240327 140924480654 211386720981 422773441962 634160162943 1268320325886