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111400424213 = 138569263401
BaseRepresentation
bin110011110111111111…
…0111001001100010101
3101122112200112220020112
41213233332321030111
53311122002033323
6123102053412405
711022414660611
oct1475776711425
9348480486215
10111400424213
11432766a95a1
121970b93a105
13a6746967a0
14556b1a6341
152d70023178
hex19effb9315

111400424213 has 4 divisors (see below), whose sum is σ = 119969687628. Its totient is φ = 102831160800.

The previous prime is 111400424147. The next prime is 111400424293. The reversal of 111400424213 is 312424004111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16451397169 + 94949027044 = 128263^2 + 308138^2 .

It is a cyclic number.

It is not a de Polignac number, because 111400424213 - 214 = 111400407829 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 (111400424293) 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, 4284631688 + ... + 4284631713.

It is an arithmetic number, because the mean of its divisors is an integer number (29992421907).

Almost surely, 2111400424213 is an apocalyptic number.

111400424213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

111400424213 is a deficient number, since it is larger than the sum of its proper divisors (8569263415).

111400424213 is an equidigital number, since it uses as much as digits as its factorization.

111400424213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8569263414.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 111400424213 its reverse (312424004111), we get a palindrome (423824428324).

The spelling of 111400424213 in words is "one hundred eleven billion, four hundred million, four hundred twenty-four thousand, two hundred thirteen".

Divisors: 1 13 8569263401 111400424213