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110011985 = 570931033
BaseRepresentation
bin1101000111010…
…10011001010001
321200000012001222
412203222121101
5211130340420
614525534425
72504041436
oct643523121
9250005058
10110011985
115710a6a6
1230a14415
1319a3a965
1410879b8d
1599d1225
hex68ea651

110011985 has 8 divisors (see below), whose sum is σ = 132204840. Its totient is φ = 87882624.

The previous prime is 110011969. The next prime is 110011991. The reversal of 110011985 is 589110011.

It can be written as a sum of positive squares in 4 ways, for example, as 4477456 + 105534529 = 2116^2 + 10273^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 110011985 - 24 = 110011969 is a prime.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 11972 + ... + 19061.

It is an arithmetic number, because the mean of its divisors is an integer number (16525605).

Almost surely, 2110011985 is an apocalyptic number.

It is an amenable number.

110011985 is a deficient number, since it is larger than the sum of its proper divisors (22192855).

110011985 is an equidigital number, since it uses as much as digits as its factorization.

110011985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31747.

The product of its (nonzero) digits is 360, while the sum is 26.

The square root of 110011985 is about 10488.6598285958. The cubic root of 110011985 is about 479.1593866401.

Adding to 110011985 its reverse (589110011), we get a palindrome (699121996).

The spelling of 110011985 in words is "one hundred ten million, eleven thousand, nine hundred eighty-five".

Divisors: 1 5 709 3545 31033 155165 22002397 110011985