Search a number
-
+
28244037568 = 264363101149
BaseRepresentation
bin11010010011011110…
…011100111111000000
32200220101010202202111
4122103132130333000
5430320433200233
620550343425104
72016625233565
oct322336347700
980811122674
1028244037568
1110a8402850a
125582a55194
132881653586
14151d15686c
15b048bdacd
hex69379cfc0

28244037568 has 28 divisors (see below), whose sum is σ = 56060162200. Its totient is φ = 14118642432.

The previous prime is 28244037539. The next prime is 28244037607. The reversal of 28244037568 is 86573044282.

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 3 ways as a sum of consecutive naturals, for example, 228658 + ... + 329806.

It is an arithmetic number, because the mean of its divisors is an integer number (2002148650).

Almost surely, 228244037568 is an apocalyptic number.

It is an amenable number.

28244037568 is a deficient number, since it is larger than the sum of its proper divisors (27816124632).

28244037568 is a wasteful number, since it uses less digits than its factorization.

28244037568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105524 (or 105514 counting only the distinct ones).

The product of its (nonzero) digits is 2580480, while the sum is 49.

The spelling of 28244037568 in words is "twenty-eight billion, two hundred forty-four million, thirty-seven thousand, five hundred sixty-eight".

Divisors: 1 2 4 8 16 32 64 4363 8726 17452 34904 69808 101149 139616 202298 279232 404596 809192 1618384 3236768 6473536 441313087 882626174 1765252348 3530504696 7061009392 14122018784 28244037568