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8008080880 = 245293451759
BaseRepresentation
bin1110111010101000…
…11001110111110000
3202200002121122210011
413131110121313300
5112400032042010
63402344544304
7402306364402
oct73524316760
922602548704
108008080880
11343a397768
121675a82094
139a81122c7
1455d7acb72
1531d094a8a
hex1dd519df0

8008080880 has 40 divisors (see below), whose sum is σ = 19260820800. Its totient is φ = 3092775168.

The previous prime is 8008080863. The next prime is 8008080881. The reversal of 8008080880 is 880808008.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8008080881) 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 7 ways as a sum of consecutive naturals, for example, 1723560 + ... + 1728199.

It is an arithmetic number, because the mean of its divisors is an integer number (481520520).

Almost surely, 28008080880 is an apocalyptic number.

8008080880 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8008080880 is an abundant number, since it is smaller than the sum of its proper divisors (11252739920).

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

8008080880 is a wasteful number, since it uses less digits than its factorization.

8008080880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3451801 (or 3451795 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 40.

The square root of 8008080880 is about 89487.8811906953. The cubic root of 8008080880 is about 2000.6731800556.

Adding to 8008080880 its reverse (880808008), we get a palindrome (8888888888).

The spelling of 8008080880 in words is "eight billion, eight million, eighty thousand, eight hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 29 40 58 80 116 145 232 290 464 580 1160 2320 3451759 6903518 13807036 17258795 27614072 34517590 55228144 69035180 100101011 138070360 200202022 276140720 400404044 500505055 800808088 1001010110 1601616176 2002020220 4004040440 8008080880