Search a number
-
+
28333333336 = 2371145995671
BaseRepresentation
bin11010011000110011…
…000101101101011000
32201010121011110112011
4122120303011231120
5431011313131321
621003253355304
72022061234240
oct323063055530
981117143464
1028333333336
111101a478770
1255a8938b34
132896cb9ac9
14152ad5cb20
15b0c65bae1
hex698cc5b58

28333333336 has 32 divisors (see below), whose sum is σ = 66233767680. Its totient is φ = 11038960800.

The previous prime is 28333333333. The next prime is 28333333363. The reversal of 28333333336 is 63333333382.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28333333333) 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 7 ways as a sum of consecutive naturals, for example, 22997220 + ... + 22998451.

It is an arithmetic number, because the mean of its divisors is an integer number (2069805240).

Almost surely, 228333333336 is an apocalyptic number.

It is an amenable number.

28333333336 is an abundant number, since it is smaller than the sum of its proper divisors (37900434344).

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

28333333336 is a wasteful number, since it uses less digits than its factorization.

28333333336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45995695 (or 45995691 counting only the distinct ones).

The product of its digits is 629856, while the sum is 40.

It can be divided in two parts, 2 and 8333333336, that added together give a palindrome (8333333338).

The spelling of 28333333336 in words is "twenty-eight billion, three hundred thirty-three million, three hundred thirty-three thousand, three hundred thirty-six".

Divisors: 1 2 4 7 8 11 14 22 28 44 56 77 88 154 308 616 45995671 91991342 183982684 321969697 367965368 505952381 643939394 1011904762 1287878788 2023809524 2575757576 3541666667 4047619048 7083333334 14166666668 28333333336