Search a number
-
+
52782580849 = 17191091499207
BaseRepresentation
bin110001001010000101…
…100100010001110001
312001020111201220221211
4301022011210101301
51331044320041344
640125321520121
73546000351235
oct611205442161
9161214656854
1052782580849
1120426433249
12a290943041
134c923ab47b
1427aa0dc5c5
15158dcdd334
hexc4a164471

52782580849 has 16 divisors (see below), whose sum is σ = 59368636800. Its totient is φ = 46631303424.

The previous prime is 52782580759. The next prime is 52782580897. The reversal of 52782580849 is 94808528725.

It is a cyclic number.

It is not a de Polignac number, because 52782580849 - 217 = 52782449777 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52782580793 and 52782580802.

It is not an unprimeable number, because it can be changed into a prime (52782583849) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 714397 + ... + 784810.

It is an arithmetic number, because the mean of its divisors is an integer number (3710539800).

Almost surely, 252782580849 is an apocalyptic number.

It is an amenable number.

52782580849 is a deficient number, since it is larger than the sum of its proper divisors (6586055951).

52782580849 is a wasteful number, since it uses less digits than its factorization.

52782580849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1499352.

The product of its (nonzero) digits is 12902400, while the sum is 58.

The spelling of 52782580849 in words is "fifty-two billion, seven hundred eighty-two million, five hundred eighty thousand, eight hundred forty-nine".

Divisors: 1 17 19 109 323 1853 2071 35207 1499207 25486519 28484933 163413563 484243861 2778030571 3104857697 52782580849