Search a number
-
+
28036588423 = 191475609917
BaseRepresentation
bin11010000111000111…
…000110001110000111
32200100220210021000211
4122013013012032013
5424404331312143
620514013220251
72011526032564
oct320707061607
980326707024
1028036588423
1110987a17938
125525491687
13284a68b7bc
1414dd79586b
15ae159249d
hex6871c6387

28036588423 has 4 divisors (see below), whose sum is σ = 29512198360. Its totient is φ = 26560978488.

The previous prime is 28036588399. The next prime is 28036588441. The reversal of 28036588423 is 32488563082.

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

It is a cyclic number.

It is not a de Polignac number, because 28036588423 - 29 = 28036587911 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 (28036588493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 737804940 + ... + 737804977.

It is an arithmetic number, because the mean of its divisors is an integer number (7378049590).

Almost surely, 228036588423 is an apocalyptic number.

28036588423 is a deficient number, since it is larger than the sum of its proper divisors (1475609937).

28036588423 is a wasteful number, since it uses less digits than its factorization.

28036588423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1475609936.

The product of its (nonzero) digits is 2211840, while the sum is 49.

The spelling of 28036588423 in words is "twenty-eight billion, thirty-six million, five hundred eighty-eight thousand, four hundred twenty-three".

Divisors: 1 19 1475609917 28036588423