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1111000109 is a prime number
BaseRepresentation
bin100001000111000…
…1000010000101101
32212102112122122012
41002032020100231
54233404000414
6302124331005
736350226242
oct10216102055
92772478565
101111000109
1152014890a
122700a3a65
1314923281b
14a77a35c9
156780a33e
hex4238842d

1111000109 has 2 divisors, whose sum is σ = 1111000110. Its totient is φ = 1111000108.

The previous prime is 1111000087. The next prime is 1111000139. The reversal of 1111000109 is 9010001111.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1063086025 + 47914084 = 32605^2 + 6922^2 .

It is a cyclic number.

It is not a de Polignac number, because 1111000109 - 28 = 1110999853 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1111000093 and 1111000102.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1111000139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555500054 + 555500055.

It is an arithmetic number, because the mean of its divisors is an integer number (555500055).

Almost surely, 21111000109 is an apocalyptic number.

It is an amenable number.

1111000109 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111000109 is an equidigital number, since it uses as much as digits as its factorization.

1111000109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9, while the sum is 14.

The square root of 1111000109 is about 33331.6682600796. The cubic root of 1111000109 is about 1035.7096765659.

The spelling of 1111000109 in words is "one billion, one hundred eleven million, one hundred nine", and thus it is an aban number.