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2886328189 = 13920764951
BaseRepresentation
bin1010110000001001…
…1101111101111101
321110011010122221001
42230002131331331
521402400000224
61154224010301
7131345245663
oct25402357575
97404118831
102886328189
1112512910a8
12686760991
1336cc94b04
141d5496c33
1511d5dd544
hexac09df7d

2886328189 has 4 divisors (see below), whose sum is σ = 2907093280. Its totient is φ = 2865563100.

The previous prime is 2886328183. The next prime is 2886328199. The reversal of 2886328189 is 9818236882.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2886328189 - 27 = 2886328061 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 (2886328183) 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 3 ways as a sum of consecutive naturals, for example, 10382337 + ... + 10382614.

It is an arithmetic number, because the mean of its divisors is an integer number (726773320).

Almost surely, 22886328189 is an apocalyptic number.

It is an amenable number.

2886328189 is a deficient number, since it is larger than the sum of its proper divisors (20765091).

2886328189 is a wasteful number, since it uses less digits than its factorization.

2886328189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20765090.

The product of its digits is 2654208, while the sum is 55.

The square root of 2886328189 is about 53724.5585277348. The cubic root of 2886328189 is about 1423.7986286087.

The spelling of 2886328189 in words is "two billion, eight hundred eighty-six million, three hundred twenty-eight thousand, one hundred eighty-nine".

Divisors: 1 139 20764951 2886328189