Search a number
-
+
16545720216443 = 112131705845323
BaseRepresentation
bin1111000011000101100111…
…0001101010101101111011
32011120202101200122011020212
43300301121301222231323
54132041113333411233
655104555434141335
73325250241224615
oct360613161525573
964522350564225
1016545720216443
1152aa000797210
121a3280828184b
139303408143a2
14412b622cbdb5
151da5d37b4a48
hexf0c59c6ab7b

16545720216443 has 8 divisors (see below), whose sum is σ = 18058346769216. Its totient is φ = 15034505358600.

The previous prime is 16545720216439. The next prime is 16545720216449. The reversal of 16545720216443 is 34461202754561.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16545720216443 - 22 = 16545720216439 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16545720216391 and 16545720216400.

It is not an unprimeable number, because it can be changed into a prime (16545720216449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 352899221 + ... + 352946102.

It is an arithmetic number, because the mean of its divisors is an integer number (2257293346152).

Almost surely, 216545720216443 is an apocalyptic number.

16545720216443 is a deficient number, since it is larger than the sum of its proper divisors (1512626552773).

16545720216443 is a wasteful number, since it uses less digits than its factorization.

16545720216443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 705847465.

The product of its (nonzero) digits is 4838400, while the sum is 50.

The spelling of 16545720216443 in words is "sixteen trillion, five hundred forty-five billion, seven hundred twenty million, two hundred sixteen thousand, four hundred forty-three".

Divisors: 1 11 2131 23441 705845323 7764298553 1504156383313 16545720216443