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109940111 is a prime number
BaseRepresentation
bin1101000110110…
…00110110001111
321122212112110222
412203120312033
5211121040421
614524221555
72503322051
oct643306617
9248775428
10109940111
11570706a6
123099a8bb
1319a14028
141085b8d1
1599b9cab
hex68d8d8f

109940111 has 2 divisors, whose sum is σ = 109940112. Its totient is φ = 109940110.

The previous prime is 109940101. The next prime is 109940141. The reversal of 109940111 is 111049901.

It is a weak prime.

It is an emirp because it is prime and its reverse (111049901) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 109940111 - 214 = 109923727 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (109940101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54970055 + 54970056.

It is an arithmetic number, because the mean of its divisors is an integer number (54970056).

Almost surely, 2109940111 is an apocalyptic number.

109940111 is a deficient number, since it is larger than the sum of its proper divisors (1).

109940111 is an equidigital number, since it uses as much as digits as its factorization.

109940111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 26.

The square root of 109940111 is about 10485.2329969343. The cubic root of 109940111 is about 479.0550143619.

The spelling of 109940111 in words is "one hundred nine million, nine hundred forty thousand, one hundred eleven".