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111010110109 = 1719733147241
BaseRepresentation
bin110011101100010110…
…1111101101010011101
3101121112111002212221121
41213120231331222131
53304322042010414
6122555231530541
711006635236613
oct1473055755235
9347474085847
10111010110109
1143096349858
1219621089a51
13a611866ab2
1455314036b3
152d4ab24724
hex19d8b7da9d

111010110109 has 8 divisors (see below), whose sum is σ = 118136770488. Its totient is φ = 103949744640.

The previous prime is 111010110097. The next prime is 111010110119. The reversal of 111010110109 is 901011010111.

It can be written as a sum of positive squares in 4 ways, for example, as 73663388100 + 37346722009 = 271410^2 + 193253^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 111010110109 - 29 = 111010109597 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111010110092 and 111010110101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111010110119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16570272 + ... + 16576969.

It is an arithmetic number, because the mean of its divisors is an integer number (14767096311).

Almost surely, 2111010110109 is an apocalyptic number.

It is an amenable number.

111010110109 is a deficient number, since it is larger than the sum of its proper divisors (7126660379).

111010110109 is a wasteful number, since it uses less digits than its factorization.

111010110109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33147455.

The product of its (nonzero) digits is 9, while the sum is 16.

The spelling of 111010110109 in words is "one hundred eleven billion, ten million, one hundred ten thousand, one hundred nine".

Divisors: 1 17 197 3349 33147241 563503097 6530006477 111010110109