Search a number
-
+
214578791436 = 223431190934919
BaseRepresentation
bin1100011111010111100…
…1001000010000001100
3202111212100212000122210
43013311321020100030
512003424132311221
6242324240110420
721334314430062
oct3076571102014
9674770760583
10214578791436
1183003151a69
1235706005410
131730880c399
14a5583c0032
1558ad2d6276
hex31f5e4840c

214578791436 has 48 divisors (see below), whose sum is σ = 512385350400. Its totient is φ = 69854995392.

The previous prime is 214578791431. The next prime is 214578791437. The reversal of 214578791436 is 634197875412.

It is not an unprimeable number, because it can be changed into a prime (214578791431) 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, 6127585 + ... + 6162503.

It is an arithmetic number, because the mean of its divisors is an integer number (10674694800).

Almost surely, 2214578791436 is an apocalyptic number.

It is an amenable number.

214578791436 is an abundant number, since it is smaller than the sum of its proper divisors (297806558964).

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

214578791436 is a wasteful number, since it uses less digits than its factorization.

214578791436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46878 (or 46876 counting only the distinct ones).

The product of its digits is 10160640, while the sum is 57.

The spelling of 214578791436 in words is "two hundred fourteen billion, five hundred seventy-eight million, seven hundred ninety-one thousand, four hundred thirty-six".

Divisors: 1 2 3 4 6 12 43 86 129 172 258 516 11909 23818 34919 35727 47636 69838 71454 104757 139676 142908 209514 419028 512087 1024174 1501517 1536261 2048348 3003034 3072522 4504551 6006068 6145044 9009102 18018204 415850371 831700742 1247551113 1663401484 2495102226 4990204452 17881565953 35763131906 53644697859 71526263812 107289395718 214578791436