Search a number
-
+
27428188092 = 2237331310717
BaseRepresentation
bin11001100010110110…
…001110111110111100
32121210111222022200020
4121202312032332330
5422133104004332
620333401132140
71660460515644
oct314266167674
977714868606
1027428188092
11106a5551748
12539578a050
1327816114c6
141482a63524
15aa7e6582c
hex662d8efbc

27428188092 has 24 divisors (see below), whose sum is σ = 64875807696. Its totient is φ = 9017486208.

The previous prime is 27428188033. The next prime is 27428188129. The reversal of 27428188092 is 29088182472.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15654483 + ... + 15656234.

It is an arithmetic number, because the mean of its divisors is an integer number (2703158654).

Almost surely, 227428188092 is an apocalyptic number.

It is an amenable number.

27428188092 is an abundant number, since it is smaller than the sum of its proper divisors (37447619604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27428188092 is a wasteful number, since it uses less digits than its factorization.

27428188092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31310797 (or 31310795 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 51.

The spelling of 27428188092 in words is "twenty-seven billion, four hundred twenty-eight million, one hundred eighty-eight thousand, ninety-two".

Divisors: 1 2 3 4 6 12 73 146 219 292 438 876 31310717 62621434 93932151 125242868 187864302 375728604 2285682341 4571364682 6857047023 9142729364 13714094046 27428188092