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1668335183349 = 331131139985177
BaseRepresentation
bin11000010001110000100…
…001101010010111110101
312220111021010222110201220
4120101300201222113311
5204313222301331344
63314231140540553
7231350621035602
oct30216041522765
95814233873656
101668335183349
1159359a79912a
1222b4020b1759
13c1428492483
145aa681796a9
152d5e5990c19
hex1847086a5f5

1668335183349 has 32 divisors (see below), whose sum is σ = 2330379448320. Its totient is φ = 1060443446400.

The previous prime is 1668335183311. The next prime is 1668335183363. The reversal of 1668335183349 is 9433815338661.

It is not a de Polignac number, because 1668335183349 - 211 = 1668335181301 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1668335183292 and 1668335183301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1668335183399) 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 31 ways as a sum of consecutive naturals, for example, 1200849 + ... + 2186025.

It is an arithmetic number, because the mean of its divisors is an integer number (72824357760).

Almost surely, 21668335183349 is an apocalyptic number.

It is an amenable number.

1668335183349 is a deficient number, since it is larger than the sum of its proper divisors (662044264971).

1668335183349 is a wasteful number, since it uses less digits than its factorization.

1668335183349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 985481.

The product of its digits is 33592320, while the sum is 60.

The spelling of 1668335183349 in words is "one trillion, six hundred sixty-eight billion, three hundred thirty-five million, one hundred eighty-three thousand, three hundred forty-nine".

Divisors: 1 3 31 93 131 139 393 417 4061 4309 12183 12927 18209 54627 564479 985177 1693437 2955531 30540487 91621461 129058187 136939603 387174561 410818809 4000803797 4245127693 12002411391 12735383079 17939087993 53817263979 556111727783 1668335183349