Search a number
-
+
11105112013 = 29478147551
BaseRepresentation
bin10100101011110101…
…01000111111001101
31001122221020010210221
422111322220333031
5140220402041023
65033541031341
7542123615602
oct122572507715
931587203727
1011105112013
114789601026
12219b0b5551
13107c93abc8
14774c326a9
1544ee0385d
hex295ea8fcd

11105112013 has 8 divisors (see below), whose sum is σ = 11732474880. Its totient is φ = 10494044400.

The previous prime is 11105111959. The next prime is 11105112041. The reversal of 11105112013 is 31021150111.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2k-11105112013 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 (11105115013) 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, 4072413 + ... + 4075138.

It is an arithmetic number, because the mean of its divisors is an integer number (1466559360).

Almost surely, 211105112013 is an apocalyptic number.

It is an amenable number.

11105112013 is a deficient number, since it is larger than the sum of its proper divisors (627362867).

11105112013 is an equidigital number, since it uses as much as digits as its factorization.

11105112013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8147627.

The product of its (nonzero) digits is 30, while the sum is 16.

Adding to 11105112013 its reverse (31021150111), we get a palindrome (42126262124).

The spelling of 11105112013 in words is "eleven billion, one hundred five million, one hundred twelve thousand, thirteen".

Divisors: 1 29 47 1363 8147551 236278979 382934897 11105112013