Search a number
-
+
28332866286 = 2334796471693
BaseRepresentation
bin11010011000110001…
…010011101011101110
32201010120021201212000
4122120301103223232
5431011203210121
621003235353130
72022054250464
oct323061235356
981116251760
1028332866286
111101a18987a
1255a87527a6
132896b8534a
14152ac7a834
15b0c5b8526
hex698c53aee

28332866286 has 64 divisors (see below), whose sum is σ = 63228211200. Its totient is φ = 9404447328.

The previous prime is 28332866269. The next prime is 28332866297. The reversal of 28332866286 is 68266823382.

28332866286 is a `hidden beast` number, since 2 + 8 + 3 + 3 + 2 + 8 + 6 + 628 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 16734456 + ... + 16736148.

It is an arithmetic number, because the mean of its divisors is an integer number (987940800).

Almost surely, 228332866286 is an apocalyptic number.

28332866286 is an abundant number, since it is smaller than the sum of its proper divisors (34895344914).

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

28332866286 is a wasteful number, since it uses less digits than its factorization.

28332866286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2830 (or 2824 counting only the distinct ones).

The product of its digits is 7962624, while the sum is 54.

The spelling of 28332866286 in words is "twenty-eight billion, three hundred thirty-two million, eight hundred sixty-six thousand, two hundred eighty-six".

Divisors: 1 2 3 6 9 18 27 54 479 647 958 1294 1437 1693 1941 2874 3386 3882 4311 5079 5823 8622 10158 11646 12933 15237 17469 25866 30474 34938 45711 91422 309913 619826 810947 929739 1095371 1621894 1859478 2190742 2432841 2789217 3286113 4865682 5578434 6572226 7298523 8367651 9858339 14597046 16735302 19716678 21895569 29575017 43791138 59150034 524682709 1049365418 1574048127 3148096254 4722144381 9444288762 14166433143 28332866286