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864068218 = 213331100403
BaseRepresentation
bin110011100000001…
…010001001111010
32020012220012202121
4303200022021322
53232200140333
6221423551454
730261313216
oct6340121172
92205805677
10864068218
11403820272
1220145b58a
1310a025790
1482a85946
1550cd032d
hex3380a27a

864068218 has 16 divisors (see below), whose sum is σ = 1400033376. Its totient is φ = 397591920.

The previous prime is 864068203. The next prime is 864068251. The reversal of 864068218 is 812860468.

It is a super-2 number, since 2×8640682182 = 1493227770715391048, which contains 22 as substring.

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, 41596 + ... + 58807.

It is an arithmetic number, because the mean of its divisors is an integer number (87502086).

Almost surely, 2864068218 is an apocalyptic number.

864068218 is a deficient number, since it is larger than the sum of its proper divisors (535965158).

864068218 is a wasteful number, since it uses less digits than its factorization.

864068218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100749.

The product of its (nonzero) digits is 147456, while the sum is 43.

The square root of 864068218 is about 29395.0373022386. The cubic root of 864068218 is about 952.4656974946.

The spelling of 864068218 in words is "eight hundred sixty-four million, sixty-eight thousand, two hundred eighteen".

Divisors: 1 2 13 26 331 662 4303 8606 100403 200806 1305239 2610478 33233393 66466786 432034109 864068218