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6806789064 = 23321937891511
BaseRepresentation
bin1100101011011011…
…10101101111001000
3122120101011201012200
412111231311233020
5102420014222224
63043233040200
7330451516035
oct62555655710
918511151180
106806789064
112983289409
12139b6b6060
13846287b4a
1448802438c
1529c8a15c9
hex195b75bc8

6806789064 has 192 divisors, whose sum is σ = 20167056000. Its totient is φ = 2066549760.

The previous prime is 6806789063. The next prime is 6806789107. The reversal of 6806789064 is 4609876086.

It is a self number, because there is not a number n which added to its sum of digits gives 6806789064.

It is not an unprimeable number, because it can be changed into a prime (6806789063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4504069 + ... + 4505579.

It is an arithmetic number, because the mean of its divisors is an integer number (105036750).

Almost surely, 26806789064 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6806789064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10083528000).

6806789064 is an abundant number, since it is smaller than the sum of its proper divisors (13360266936).

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

6806789064 is a wasteful number, since it uses less digits than its factorization.

6806789064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1668 (or 1661 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 54.

The square root of 6806789064 is about 82503.2669898593. The cubic root of 6806789064 is about 1895.1667611986.

The spelling of 6806789064 in words is "six billion, eight hundred six million, seven hundred eighty-nine thousand, sixty-four".