Search a number
-
+
2134213111 = 19910724689
BaseRepresentation
bin111111100110101…
…1000000111110111
312111201220021000001
41333031120013313
513332324304421
6551435332131
7103613340442
oct17715300767
95451807001
102134213111
119a5786998
124b68b1047
132802096c4
14163634659
15c7574691
hex7f3581f7

2134213111 has 4 divisors (see below), whose sum is σ = 2144938000. Its totient is φ = 2123488224.

The previous prime is 2134213049. The next prime is 2134213117. The reversal of 2134213111 is 1113124312.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2134213111 - 217 = 2134082039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2134213117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5362146 + ... + 5362543.

It is an arithmetic number, because the mean of its divisors is an integer number (536234500).

Almost surely, 22134213111 is an apocalyptic number.

2134213111 is a deficient number, since it is larger than the sum of its proper divisors (10724889).

2134213111 is a wasteful number, since it uses less digits than its factorization.

2134213111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10724888.

The product of its digits is 144, while the sum is 19.

The square root of 2134213111 is about 46197.5444260839. The cubic root of 2134213111 is about 1287.4961168199.

Adding to 2134213111 its reverse (1113124312), we get a palindrome (3247337423).

It can be divided in two parts, 21342 and 13111, that added together give a triangular number (34453 = T262).

The spelling of 2134213111 in words is "two billion, one hundred thirty-four million, two hundred thirteen thousand, one hundred eleven".

Divisors: 1 199 10724689 2134213111