Search a number
-
+
28086071427 = 323120674603
BaseRepresentation
bin11010001010000011…
…110111000010000011
32200111100220020221200
4122022003313002003
5430010013241202
620522541552243
72012666445111
oct321203670203
980440806850
1028086071427
1110a02945187
125539b75683
1328579c579b
141506196ab1
15ae5ab8e1c
hex68a0f7083

28086071427 has 6 divisors (see below), whose sum is σ = 40568769852. Its totient is φ = 18724047612.

The previous prime is 28086071417. The next prime is 28086071471. The reversal of 28086071427 is 72417068082.

28086071427 is a `hidden beast` number, since 2 + 8 + 0 + 8 + 607 + 14 + 27 = 666.

It is not a de Polignac number, because 28086071427 - 24 = 28086071411 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28086071417) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1560337293 + ... + 1560337310.

It is an arithmetic number, because the mean of its divisors is an integer number (6761461642).

Almost surely, 228086071427 is an apocalyptic number.

28086071427 is a deficient number, since it is larger than the sum of its proper divisors (12482698425).

28086071427 is a wasteful number, since it uses less digits than its factorization.

28086071427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3120674609 (or 3120674606 counting only the distinct ones).

The product of its (nonzero) digits is 301056, while the sum is 45.

The spelling of 28086071427 in words is "twenty-eight billion, eighty-six million, seventy-one thousand, four hundred twenty-seven".

Divisors: 1 3 9 3120674603 9362023809 28086071427