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8689742192863 = 43202087027741
BaseRepresentation
bin111111001110011110011…
…1111110010000011011111
31010202201202002000012120101
41332130330333302003133
52114333043000132423
630252002405001531
71554545624631424
oct176347477620337
933681662005511
108689742192863
112850331a21576
12b841690b32a7
134b0592b29824
1422082b4b1d4b
151010906d77ad
hex7e73cff20df

8689742192863 has 4 divisors (see below), whose sum is σ = 8891829220648. Its totient is φ = 8487655165080.

The previous prime is 8689742192821. The next prime is 8689742192891. The reversal of 8689742192863 is 3682912479868.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-8689742192863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8689742199863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101043513828 + ... + 101043513913.

It is an arithmetic number, because the mean of its divisors is an integer number (2222957305162).

Almost surely, 28689742192863 is an apocalyptic number.

8689742192863 is a deficient number, since it is larger than the sum of its proper divisors (202087027785).

8689742192863 is a wasteful number, since it uses less digits than its factorization.

8689742192863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202087027784.

The product of its digits is 501645312, while the sum is 73.

The spelling of 8689742192863 in words is "eight trillion, six hundred eighty-nine billion, seven hundred forty-two million, one hundred ninety-two thousand, eight hundred sixty-three".

Divisors: 1 43 202087027741 8689742192863