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985093109691 = 35335917257811
BaseRepresentation
bin11100101010111000001…
…11111111011110111011
310111011200211110221021120
432111130013333132323
5112114432314002231
62032313500040323
7131112345163305
oct16253407773673
93434624427246
10985093109691
1134a859419639
1213ab018330a3
1371b80b1cca2
143597073c975
151a957be4d96
hexe55c1ff7bb

985093109691 has 16 divisors (see below), whose sum is σ = 1341967461120. Its totient is φ = 642542781920.

The previous prime is 985093109617. The next prime is 985093109729. The reversal of 985093109691 is 196901390589.

It is a cyclic number.

It is not a de Polignac number, because 985093109691 - 27 = 985093109563 is a prime.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (985093109591) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8571825 + ... + 8685986.

It is an arithmetic number, because the mean of its divisors is an integer number (83872966320).

Almost surely, 2985093109691 is an apocalyptic number.

985093109691 is a deficient number, since it is larger than the sum of its proper divisors (356874351429).

985093109691 is a wasteful number, since it uses less digits than its factorization.

985093109691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17258226.

The product of its (nonzero) digits is 4723920, while the sum is 60.

The spelling of 985093109691 in words is "nine hundred eighty-five billion, ninety-three million, one hundred nine thousand, six hundred ninety-one".

Divisors: 1 3 53 159 359 1077 19027 57081 17257811 51773433 914663983 2743991949 6195554149 18586662447 328364369897 985093109691