Search a number
-
+
16800071305 = 561251219451
BaseRepresentation
bin11111010010101110…
…01011111010001001
31121100211022001022011
433221113023322021
5233401304240210
611415015455521
71133215151503
oct175127137211
947324261264
1016800071305
117141225256
12330a3875a1
1317797626c4
14b55318d73
15684d83d8a
hex3e95cbe89

16800071305 has 16 divisors (see below), whose sum is σ = 20572308288. Its totient is φ = 13167000000.

The previous prime is 16800071219. The next prime is 16800071357. The reversal of 16800071305 is 50317000861.

It is not a de Polignac number, because 16800071305 - 227 = 16665853577 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33171 + ... + 186280.

It is an arithmetic number, because the mean of its divisors is an integer number (1285769268).

Almost surely, 216800071305 is an apocalyptic number.

It is an amenable number.

16800071305 is a deficient number, since it is larger than the sum of its proper divisors (3772236983).

16800071305 is a wasteful number, since it uses less digits than its factorization.

16800071305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219768.

The product of its (nonzero) digits is 5040, while the sum is 31.

The spelling of 16800071305 in words is "sixteen billion, eight hundred million, seventy-one thousand, three hundred five".

Divisors: 1 5 61 251 305 1255 15311 76555 219451 1097255 13386511 55082201 66932555 275411005 3360014261 16800071305