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111213230041 = 432586354187
BaseRepresentation
bin110011110010011010…
…0110011011111011001
3101122001122022110010001
41213210310303133121
53310231041330131
6123031325253001
711014652600164
oct1474464633731
9348048273101
10111213230041
114318aa72871
1219679104161
13a6449741c4
145550398adb
152d5d898261
hex19e4d337d9

111213230041 has 4 divisors (see below), whose sum is σ = 113799584272. Its totient is φ = 108626875812.

The previous prime is 111213230027. The next prime is 111213230047. The reversal of 111213230041 is 140032312111.

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: 140032312111 = 551925372769.

It is a cyclic number.

It is not a de Polignac number, because 111213230041 - 221 = 111211132889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111213230047) 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, 1293177051 + ... + 1293177136.

It is an arithmetic number, because the mean of its divisors is an integer number (28449896068).

Almost surely, 2111213230041 is an apocalyptic number.

It is an amenable number.

111213230041 is a deficient number, since it is larger than the sum of its proper divisors (2586354231).

111213230041 is an equidigital number, since it uses as much as digits as its factorization.

111213230041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2586354230.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 111213230041 its reverse (140032312111), we get a palindrome (251245542152).

The spelling of 111213230041 in words is "one hundred eleven billion, two hundred thirteen million, two hundred thirty thousand, forty-one".

Divisors: 1 43 2586354187 111213230041