Search a number
-
+
111013111013 = 7101990115859
BaseRepresentation
bin110011101100011100…
…1011010010011100101
3101121112200202100102012
41213120321122103211
53304323324023023
6122555420124005
711010002605610
oct1473071322345
9347480670365
10111013111013
1143098009442
1219622096605
13a61237798c
145531985177
152d4b018978
hex19d8e5a4e5

111013111013 has 16 divisors (see below), whose sum is σ = 128149307520. Its totient is φ = 94196520000.

The previous prime is 111013110979. The next prime is 111013111043. The reversal of 111013111013 is 310111310111.

It is a cyclic number.

It is not a de Polignac number, because 111013111013 - 228 = 110744675557 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 (111013111043) 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, 6992078 + ... + 7007936.

It is an arithmetic number, because the mean of its divisors is an integer number (8009331720).

Almost surely, 2111013111013 is an apocalyptic number.

It is an amenable number.

111013111013 is a deficient number, since it is larger than the sum of its proper divisors (17136196507).

111013111013 is a wasteful number, since it uses less digits than its factorization.

111013111013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25868.

The product of its (nonzero) digits is 9, while the sum is 14.

Adding to 111013111013 its reverse (310111310111), we get a palindrome (421124421124).

The spelling of 111013111013 in words is "one hundred eleven billion, thirteen million, one hundred eleven thousand, thirteen".

Divisors: 1 7 101 707 9901 15859 69307 111013 1000001 1601759 7000007 11212313 157019959 1099139713 15859015859 111013111013