Search a number
-
+
19317811017 = 343228765479
BaseRepresentation
bin10001111111011011…
…100110011101001001
31211212021212110220010
4101333123212131021
5304030324423032
612512515422133
71252466453511
oct217733463511
954767773803
1019317811017
11821344537a
1238b15b4949
131a8b26350b
14d13866841
15780e15ccc
hex47f6e6749

19317811017 has 16 divisors (see below), whose sum is σ = 26368010240. Its totient is φ = 12573347472.

The previous prime is 19317811001. The next prime is 19317811057. The reversal of 19317811017 is 71011871391.

It is not a de Polignac number, because 19317811017 - 24 = 19317811001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19317811057) 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, 262284 + ... + 327762.

It is an arithmetic number, because the mean of its divisors is an integer number (1648000640).

Almost surely, 219317811017 is an apocalyptic number.

It is an amenable number.

19317811017 is a deficient number, since it is larger than the sum of its proper divisors (7050199223).

19317811017 is a wasteful number, since it uses less digits than its factorization.

19317811017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67812.

The product of its (nonzero) digits is 10584, while the sum is 39.

The spelling of 19317811017 in words is "nineteen billion, three hundred seventeen million, eight hundred eleven thousand, seventeen".

Divisors: 1 3 43 129 2287 6861 65479 98341 196437 295023 2815597 8446791 149750473 449251419 6439270339 19317811017