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111201233113 = 157708288109
BaseRepresentation
bin110011110010000011…
…1000010100011011001
3101122000210201221102101
41213210013002203121
53310220003424423
6123030220203401
711014445612545
oct1474407024331
9348023657371
10111201233113
1143184219353
1219675099561
13a642333729
14554c954a25
152d5c7c87ad
hex19e41c28d9

111201233113 has 4 divisors (see below), whose sum is σ = 111909521380. Its totient is φ = 110492944848.

The previous prime is 111201233107. The next prime is 111201233137. The reversal of 111201233113 is 311332102111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 311332102111 = 315739860707.

It can be written as a sum of positive squares in 2 ways, for example, as 34102270224 + 77098962889 = 184668^2 + 277667^2 .

It is a cyclic number.

It is not a de Polignac number, because 111201233113 - 213 = 111201224921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111201233413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 354143898 + ... + 354144211.

It is an arithmetic number, because the mean of its divisors is an integer number (27977380345).

Almost surely, 2111201233113 is an apocalyptic number.

It is an amenable number.

111201233113 is a deficient number, since it is larger than the sum of its proper divisors (708288267).

111201233113 is an equidigital number, since it uses as much as digits as its factorization.

111201233113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 708288266.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 111201233113 its reverse (311332102111), we get a palindrome (422533335224).

The spelling of 111201233113 in words is "one hundred eleven billion, two hundred one million, two hundred thirty-three thousand, one hundred thirteen".

Divisors: 1 157 708288109 111201233113