Search a number
-
+
27464744164 = 221113107448741
BaseRepresentation
bin11001100101000001…
…101011110011100100
32121220001202120011211
4121211001223303210
5422221433303124
620341144441204
71661413321264
oct314501536344
977801676154
1027464744164
111071414a880
1253a5a79204
132789070610
14148785b7a4
15aab286e94
hex66506bce4

27464744164 has 48 divisors (see below), whose sum is σ = 56993823936. Its totient is φ = 11415945600.

The previous prime is 27464744161. The next prime is 27464744189. The reversal of 27464744164 is 46144746472.

It is not an unprimeable number, because it can be changed into a prime (27464744161) 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 15 ways as a sum of consecutive naturals, for example, 163167 + ... + 285574.

It is an arithmetic number, because the mean of its divisors is an integer number (1187371332).

Almost surely, 227464744164 is an apocalyptic number.

It is an amenable number.

27464744164 is an abundant number, since it is smaller than the sum of its proper divisors (29529079772).

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

27464744164 is a wasteful number, since it uses less digits than its factorization.

27464744164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448876 (or 448874 counting only the distinct ones).

The product of its digits is 3612672, while the sum is 49.

The spelling of 27464744164 in words is "twenty-seven billion, four hundred sixty-four million, seven hundred forty-four thousand, one hundred sixty-four".

Divisors: 1 2 4 11 13 22 26 44 52 107 143 214 286 428 572 1177 1391 2354 2782 4708 5564 15301 30602 61204 448741 897482 1794964 4936151 5833633 9872302 11667266 19744604 23334532 48015287 64169963 96030574 128339926 192061148 256679852 528168157 624198731 1056336314 1248397462 2112672628 2496794924 6866186041 13732372082 27464744164