Search a number
-
+
9889369641 = 321973792227
BaseRepresentation
bin10010011010111001…
…11100111000101001
3221112012121000210200
421031130330320221
5130223134312031
64313151302413
7500032153314
oct111534747051
927465530720
109889369641
114215322868
121abbb1aa09
13c17ac4218
1469b5a597b
153cd3088e6
hex24d73ce29

9889369641 has 24 divisors (see below), whose sum is σ = 15242466720. Its totient is φ = 6160349376.

The previous prime is 9889369631. The next prime is 9889369643. The reversal of 9889369641 is 1469639889.

It is a happy number.

9889369641 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9889369641 - 27 = 9889369513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9889369643) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 383631 + ... + 408596.

It is an arithmetic number, because the mean of its divisors is an integer number (635102780).

Almost surely, 29889369641 is an apocalyptic number.

It is an amenable number.

9889369641 is a deficient number, since it is larger than the sum of its proper divisors (5353097079).

9889369641 is a wasteful number, since it uses less digits than its factorization.

9889369641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 792325 (or 792322 counting only the distinct ones).

The product of its digits is 20155392, while the sum is 63.

The square root of 9889369641 is about 99445.3097989040. The cubic root of 9889369641 is about 2146.4603477489.

The spelling of 9889369641 in words is "nine billion, eight hundred eighty-nine million, three hundred sixty-nine thousand, six hundred forty-one".

Divisors: 1 3 9 19 57 73 171 219 657 1387 4161 12483 792227 2376681 7130043 15052313 45156939 57832571 135470817 173497713 520493139 1098818849 3296456547 9889369641