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66482433428465 = 5174469917498071
BaseRepresentation
bin11110001110111001001011…
…10101000000101111110001
322201101122210002112111011102
433013130211311000233301
532203222010424202330
6353221335220054145
720001124451064065
oct1707344565005761
9281348702474142
1066482433428465
111a20205052783a
1275588a8534355
132b13360872712
14125baa4705aa5
157a456237d945
hex3c7725d40bf1

66482433428465 has 16 divisors (see below), whose sum is σ = 84473692387200. Its totient is φ = 50056238903040.

The previous prime is 66482433428447. The next prime is 66482433428473. The reversal of 66482433428465 is 56482433428466.

It is not a de Polignac number, because 66482433428465 - 210 = 66482433427441 is a prime.

It is a super-3 number, since 3×664824334284653 (a number of 42 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4949621 + ... + 12548450.

It is an arithmetic number, because the mean of its divisors is an integer number (5279605774200).

Almost surely, 266482433428465 is an apocalyptic number.

It is an amenable number.

66482433428465 is a deficient number, since it is larger than the sum of its proper divisors (17991258958735).

66482433428465 is a wasteful number, since it uses less digits than its factorization.

66482433428465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17542792.

The product of its digits is 637009920, while the sum is 65.

Subtracting from 66482433428465 its reverse (56482433428466), we obtain a palindrome (9999999999999).

The spelling of 66482433428465 in words is "sixty-six trillion, four hundred eighty-two billion, four hundred thirty-three million, four hundred twenty-eight thousand, four hundred sixty-five".

Divisors: 1 5 17 85 44699 223495 759883 3799415 17498071 87490355 297467207 1487336035 782146275629 3910731378145 13296486685693 66482433428465