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BaseRepresentation
bin10010011101110000000…
…010100011001100011111
311111022020110221020102011
4102131300002203030133
5131242144114201314
62410531121012051
7160450255061260
oct22356002431437
94438213836364
101268895068959
1144a154206111
12185b06484027
139286bb460bb
14455b44ba967
15230182de4c4
hex127700a331f

1268895068959 has 8 divisors (see below), whose sum is σ = 1450177182720. Its totient is φ = 1087615802616.

The previous prime is 1268895068957. The next prime is 1268895068977. The reversal of 1268895068959 is 9598605988621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1268895068959 - 21 = 1268895068957 is a prime.

It is a super-2 number, since 2×12688950689592 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1268895068957) 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 7 ways as a sum of consecutive naturals, for example, 348342 + ... + 1630684.

It is an arithmetic number, because the mean of its divisors is an integer number (181272147840).

Almost surely, 21268895068959 is an apocalyptic number.

1268895068959 is a deficient number, since it is larger than the sum of its proper divisors (181282113761).

1268895068959 is a wasteful number, since it uses less digits than its factorization.

1268895068959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1423709.

The product of its (nonzero) digits is 671846400, while the sum is 76.

The spelling of 1268895068959 in words is "one trillion, two hundred sixty-eight billion, eight hundred ninety-five million, sixty-eight thousand, nine hundred fifty-nine".