Search a number
-
+
2012320111 = 22323338729
BaseRepresentation
bin111011111110001…
…1001000101101111
312012020112110020111
41313330121011233
513110123220421
6531403000451
7100603303324
oct16774310557
95166473214
102012320111
119429a197a
12481b09127
13260b9bc79
14151384b4b
15bb9e7ee1
hex77f1916f

2012320111 has 8 divisors (see below), whose sum is σ = 2030071680. Its totient is φ = 1994646912.

The previous prime is 2012320091. The next prime is 2012320133. The reversal of 2012320111 is 1110232102.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2012320111 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2012320091 and 2012320100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012320151) 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, 32595 + ... + 71323.

It is an arithmetic number, because the mean of its divisors is an integer number (253758960).

Almost surely, 22012320111 is an apocalyptic number.

2012320111 is a deficient number, since it is larger than the sum of its proper divisors (17751569).

2012320111 is a wasteful number, since it uses less digits than its factorization.

2012320111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39185.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 2012320111 is about 44858.8911031024. The cubic root of 2012320111 is about 1262.5028170509.

Adding to 2012320111 its reverse (1110232102), we get a palindrome (3122552213).

The spelling of 2012320111 in words is "two billion, twelve million, three hundred twenty thousand, one hundred eleven".

Divisors: 1 223 233 38729 51959 8636567 9023857 2012320111