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9768118105 = 51953623621
BaseRepresentation
bin10010001100011100…
…11010011101011001
3221012202102210222001
421012032122131121
5130001114234410
64253140401001
7464030430304
oct110616323531
927182383861
109768118105
114162936789
121a873a6161
13bc894c755
14689441b3b
153c285733a
hex24639a759

9768118105 has 4 divisors (see below), whose sum is σ = 11721741732. Its totient is φ = 7814494480.

The previous prime is 9768118079. The next prime is 9768118121. The reversal of 9768118105 is 5018118679.

9768118105 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7615529289 + 2152588816 = 87267^2 + 46396^2 .

It is not a de Polignac number, because 9768118105 - 219 = 9767593817 is a prime.

It is a super-2 number, since 2×97681181052 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 976811806 + ... + 976811815.

It is an arithmetic number, because the mean of its divisors is an integer number (2930435433).

Almost surely, 29768118105 is an apocalyptic number.

It is an amenable number.

9768118105 is a deficient number, since it is larger than the sum of its proper divisors (1953623627).

9768118105 is a wasteful number, since it uses less digits than its factorization.

9768118105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1953623626.

The product of its (nonzero) digits is 120960, while the sum is 46.

The square root of 9768118105 is about 98833.7902996743. The cubic root of 9768118105 is about 2137.6518122514.

The spelling of 9768118105 in words is "nine billion, seven hundred sixty-eight million, one hundred eighteen thousand, one hundred five".

Divisors: 1 5 1953623621 9768118105