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111442344101 = 1193111088081
BaseRepresentation
bin110011111001001111…
…0110011100010100101
3101122122121102122111222
41213302132303202211
53311213220002401
6123110152110125
711023434203204
oct1476236634245
9348577378458
10111442344101
1143298330630
1219721995345
13a68028315a
14557299923b
152d73a53c1b
hex19f27b38a5

111442344101 has 8 divisors (see below), whose sum is σ = 121586635008. Its totient is φ = 101300248000.

The previous prime is 111442344077. The next prime is 111442344109. The reversal of 111442344101 is 101443244111.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-111442344101 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111442344109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 441620 + ... + 646461.

It is an arithmetic number, because the mean of its divisors is an integer number (15198329376).

Almost surely, 2111442344101 is an apocalyptic number.

111442344101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

111442344101 is a deficient number, since it is larger than the sum of its proper divisors (10144290907).

111442344101 is a wasteful number, since it uses less digits than its factorization.

111442344101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1097403.

The product of its (nonzero) digits is 1536, while the sum is 26.

Adding to 111442344101 its reverse (101443244111), we get a palindrome (212885588212).

The spelling of 111442344101 in words is "one hundred eleven billion, four hundred forty-two million, three hundred forty-four thousand, one hundred one".

Divisors: 1 11 9311 102421 1088081 11968891 10131122191 111442344101