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8100868888 = 237413528253
BaseRepresentation
bin1111000101101100…
…10111001100011000
3202220120012210000001
413202312113030120
5113042310301023
63415501422344
7404514151360
oct74266271430
922816183001
108100868888
113487802772
1216a0b6a9b4
139c13cc258
1456bc439a0
153262c26ad
hex1e2d97318

8100868888 has 32 divisors (see below), whose sum is σ = 17782400160. Its totient is φ = 3387121920.

The previous prime is 8100868813. The next prime is 8100868889. The reversal of 8100868888 is 8888680018.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8100868889) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1761831 + ... + 1766422.

It is an arithmetic number, because the mean of its divisors is an integer number (555700005).

Almost surely, 28100868888 is an apocalyptic number.

It is an amenable number.

8100868888 is an abundant number, since it is smaller than the sum of its proper divisors (9681531272).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8100868888 is a wasteful number, since it uses less digits than its factorization.

8100868888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3528307 (or 3528303 counting only the distinct ones).

The product of its (nonzero) digits is 1572864, while the sum is 55.

The square root of 8100868888 is about 90004.8270261101. The cubic root of 8100868888 is about 2008.3706578342.

The spelling of 8100868888 in words is "eight billion, one hundred million, eight hundred sixty-eight thousand, eight hundred eighty-eight".

Divisors: 1 2 4 7 8 14 28 41 56 82 164 287 328 574 1148 2296 3528253 7056506 14113012 24697771 28226024 49395542 98791084 144658373 197582168 289316746 578633492 1012608611 1157266984 2025217222 4050434444 8100868888