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1111000217 is a prime number
BaseRepresentation
bin100001000111000…
…1000010010011001
32212102112122210012
41002032020102121
54233404001332
6302124331305
736350226455
oct10216102231
92772478705
101111000217
115201489a8
122700a3b35
131492328a2
14a77a3665
156780a3b2
hex42388499

1111000217 has 2 divisors, whose sum is σ = 1111000218. Its totient is φ = 1111000216.

The previous prime is 1111000199. The next prime is 1111000223. The reversal of 1111000217 is 7120001111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 760711561 + 350288656 = 27581^2 + 18716^2 .

It is an emirp because it is prime and its reverse (7120001111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1111000217 - 28 = 1110999961 is a prime.

It is not a weakly prime, because it can be changed into another prime (1111006217) 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, 555500108 + 555500109.

It is an arithmetic number, because the mean of its divisors is an integer number (555500109).

Almost surely, 21111000217 is an apocalyptic number.

It is an amenable number.

1111000217 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111000217 is an equidigital number, since it uses as much as digits as its factorization.

1111000217 is an odious number, because the sum of its binary digits is odd.

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

The square root of 1111000217 is about 33331.6698801605. The cubic root of 1111000217 is about 1035.7097101262.

Adding to 1111000217 its reverse (7120001111), we get a palindrome (8231001328).

The spelling of 1111000217 in words is "one billion, one hundred eleven million, two hundred seventeen", and thus it is an aban number.