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111201204041 = 509218469949
BaseRepresentation
bin110011110010000011…
…0111011011101001001
3101122000210200110112122
41213210012323131021
53310220002012131
6123030215421025
711014445432024
oct1474406733511
9348023613478
10111201204041
11431841a9524
1219675084775
13a642323425
14554c9481bb
152d5c7bed7b
hex19e41bb749

111201204041 has 4 divisors (see below), whose sum is σ = 111419674500. Its totient is φ = 110982733584.

The previous prime is 111201204029. The next prime is 111201204053. The reversal of 111201204041 is 140402102111.

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

It is an interprime number because it is at equal distance from previous prime (111201204029) and next prime (111201204053).

It can be written as a sum of positive squares in 2 ways, for example, as 31890816400 + 79310387641 = 178580^2 + 281621^2 .

It is a cyclic number.

It is not a de Polignac number, because 111201204041 - 234 = 94021334857 is a prime.

It is a super-2 number, since 2×1112012040412 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111201204001) 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, 109234466 + ... + 109235483.

It is an arithmetic number, because the mean of its divisors is an integer number (27854918625).

Almost surely, 2111201204041 is an apocalyptic number.

It is an amenable number.

111201204041 is a deficient number, since it is larger than the sum of its proper divisors (218470459).

111201204041 is an equidigital number, since it uses as much as digits as its factorization.

111201204041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218470458.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 111201204041 its reverse (140402102111), we get a palindrome (251603306152).

The spelling of 111201204041 in words is "one hundred eleven billion, two hundred one million, two hundred four thousand, forty-one".

Divisors: 1 509 218469949 111201204041