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111430069 is a prime number
BaseRepresentation
bin1101010010001…
…00100110110101
321202200020022121
412221010212311
5212011230234
615020155541
72522066002
oct651044665
9252606277
10111430069
1157999073
1231398bb1
131a11626a
1410b288a9
159bb14b4
hex6a449b5

111430069 has 2 divisors, whose sum is σ = 111430070. Its totient is φ = 111430068.

The previous prime is 111430063. The next prime is 111430129. The reversal of 111430069 is 960034111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 105329169 + 6100900 = 10263^2 + 2470^2 .

It is a cyclic number.

It is not a de Polignac number, because 111430069 - 223 = 103041461 is a prime.

It is a super-2 number, since 2×1114300692 = 24833320554689522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111430063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55715034 + 55715035.

It is an arithmetic number, because the mean of its divisors is an integer number (55715035).

Almost surely, 2111430069 is an apocalyptic number.

It is an amenable number.

111430069 is a deficient number, since it is larger than the sum of its proper divisors (1).

111430069 is an equidigital number, since it uses as much as digits as its factorization.

111430069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 111430069 is about 10556.0441927836. The cubic root of 111430069 is about 481.2094341699.

The spelling of 111430069 in words is "one hundred eleven million, four hundred thirty thousand, sixty-nine".