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109686743 is a prime number
BaseRepresentation
bin1101000100110…
…10111111010111
321122101122220222
412202122333113
5211034433433
614514544555
72501215265
oct642327727
9248348828
10109686743
1156a08301
123089815b
13199558ca
14107d3435
159969b98
hex689afd7

109686743 has 2 divisors, whose sum is σ = 109686744. Its totient is φ = 109686742.

The previous prime is 109686691. The next prime is 109686757. The reversal of 109686743 is 347686901.

It is a strong prime.

It is an emirp because it is prime and its reverse (347686901) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 109686743 - 212 = 109682647 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 109686694 and 109686703.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (109686763) 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 as a sum of consecutive naturals, namely, 54843371 + 54843372.

It is an arithmetic number, because the mean of its divisors is an integer number (54843372).

Almost surely, 2109686743 is an apocalyptic number.

109686743 is a deficient number, since it is larger than the sum of its proper divisors (1).

109686743 is an equidigital number, since it uses as much as digits as its factorization.

109686743 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 109686743 is about 10473.1438928337. The cubic root of 109686743 is about 478.6867212027.

The spelling of 109686743 in words is "one hundred nine million, six hundred eighty-six thousand, seven hundred forty-three".