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111110202013 = 263422472251
BaseRepresentation
bin110011101111010101…
…1110010001010011101
3101121210110110002020011
41213132223302022131
53310023202431023
6123013205123221
711012262064006
oct1473653621235
9347713402204
10111110202013
11431378a3338
121964a6b9511
13a629510385
14554081a1ad
152d547e650d
hex19deaf229d

111110202013 has 4 divisors (see below), whose sum is σ = 111532674528. Its totient is φ = 110687729500.

The previous prime is 111110201999. The next prime is 111110202031. The reversal of 111110202013 is 310202011111.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 310202011111 = 739419759149.

It is a cyclic number.

It is not a de Polignac number, because 111110202013 - 225 = 111076647581 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111110201984 and 111110202002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111110202043) 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, 211235863 + ... + 211236388.

It is an arithmetic number, because the mean of its divisors is an integer number (27883168632).

Almost surely, 2111110202013 is an apocalyptic number.

It is an amenable number.

111110202013 is a deficient number, since it is larger than the sum of its proper divisors (422472515).

111110202013 is an equidigital number, since it uses as much as digits as its factorization.

111110202013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422472514.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 111110202013 its reverse (310202011111), we get a palindrome (421312213124).

The spelling of 111110202013 in words is "one hundred eleven billion, one hundred ten million, two hundred two thousand, thirteen".

Divisors: 1 263 422472251 111110202013