Base | Representation |
---|---|
bin | 11010001010000011… |
… | …110111000001111111 |
3 | 2200111100220020221112 |
4 | 122022003313001333 |
5 | 430010013241143 |
6 | 20522541552235 |
7 | 2012666445104 |
oct | 321203670177 |
9 | 80440806845 |
10 | 28086071423 |
11 | 10a02945183 |
12 | 5539b7567b |
13 | 28579c5797 |
14 | 1506196aab |
15 | ae5ab8e18 |
hex | 68a0f707f |
28086071423 has 8 divisors (see below), whose sum is σ = 28281710976. Its totient is φ = 27890559000.
The previous prime is 28086071417. The next prime is 28086071471. The reversal of 28086071423 is 32417068082.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 28086071423 - 26 = 28086071359 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 (28086071473) 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, 435368 + ... + 495698.
It is an arithmetic number, because the mean of its divisors is an integer number (3535213872).
Almost surely, 228086071423 is an apocalyptic number.
28086071423 is a deficient number, since it is larger than the sum of its proper divisors (195639553).
28086071423 is a wasteful number, since it uses less digits than its factorization.
28086071423 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 63565.
The product of its (nonzero) digits is 129024, while the sum is 41.
The spelling of 28086071423 in words is "twenty-eight billion, eighty-six million, seventy-one thousand, four hundred twenty-three".
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