Search a number
-
+
11212310113 = 31538577963
BaseRepresentation
bin10100111000100111…
…00100011001100001
31001221101221100221221
422130103210121201
5140430322410423
65052330415041
7544565030524
oct123423443141
931841840857
1011212310113
1148340695a4
12220ab91481
131098c01b34
14785178bbb
1545952ae5d
hex29c4e4661

11212310113 has 16 divisors (see below), whose sum is σ = 11807617536. Its totient is φ = 10632136320.

The previous prime is 11212310111. The next prime is 11212310119. The reversal of 11212310113 is 31101321211.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 11212310113 - 21 = 11212310111 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11212310111) 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, 1404070 + ... + 1412032.

It is an arithmetic number, because the mean of its divisors is an integer number (737976096).

Almost surely, 211212310113 is an apocalyptic number.

It is an amenable number.

11212310113 is a deficient number, since it is larger than the sum of its proper divisors (595307423).

11212310113 is an equidigital number, since it uses as much as digits as its factorization.

11212310113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8904.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 11212310113 its reverse (31101321211), we get a palindrome (42313631324).

The spelling of 11212310113 in words is "eleven billion, two hundred twelve million, three hundred ten thousand, one hundred thirteen".

Divisors: 1 31 53 857 1643 7963 26567 45421 246853 422039 1408051 6824291 13083209 211553021 361687423 11212310113