Search a number
-
+
286389043137 = 3279979397867
BaseRepresentation
bin1000010101011100001…
…11011111111111000001
31000101012221111210000200
410022232013133333001
514143011043340022
6335322035035413
726455662462351
oct4125607377701
91011187453020
10286389043137
1110050316aa1a
124760713bb69
1321010cc6092
14dc0b5bab61
1576b27c7bac
hex42ae1dffc1

286389043137 has 12 divisors (see below), whose sum is σ = 413679274320. Its totient is φ = 190923161688.

The previous prime is 286389043081. The next prime is 286389043169. The reversal of 286389043137 is 731340983682.

It is not a de Polignac number, because 286389043137 - 214 = 286389026753 is a prime.

It is not an unprimeable number, because it can be changed into a prime (286389043537) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 520878 + ... + 918744.

It is an arithmetic number, because the mean of its divisors is an integer number (34473272860).

Almost surely, 2286389043137 is an apocalyptic number.

It is an amenable number.

286389043137 is a deficient number, since it is larger than the sum of its proper divisors (127290231183).

286389043137 is a wasteful number, since it uses less digits than its factorization.

286389043137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477852 (or 477849 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 54.

The spelling of 286389043137 in words is "two hundred eighty-six billion, three hundred eighty-nine million, forty-three thousand, one hundred thirty-seven".

Divisors: 1 3 9 79979 239937 397867 719811 1193601 3580803 31821004793 95463014379 286389043137