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8080008800 = 255210100011
BaseRepresentation
bin1111000011001101…
…10010011001100000
3202212002221222100012
413201212302121200
5113021440240200
63413434344052
7404141640653
oct74146623140
922762858305
108080008800
113476a55226
121695b8b028
139b9ca74c6
1456917389a
15324551a35
hex1e19b2660

8080008800 has 36 divisors (see below), whose sum is σ = 19725323436. Its totient is φ = 3232003200.

The previous prime is 8080008779. The next prime is 8080008809. The reversal of 8080008800 is 88000808.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8080008809) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5049206 + ... + 5050805.

It is an arithmetic number, because the mean of its divisors is an integer number (547925651).

Almost surely, 28080008800 is an apocalyptic number.

8080008800 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8080008800 is an abundant number, since it is smaller than the sum of its proper divisors (11645314636).

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

8080008800 is a wasteful number, since it uses less digits than its factorization.

8080008800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10100031 (or 10100018 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 32.

The square root of 8080008800 is about 89888.8691663211. The cubic root of 8080008800 is about 2006.6452955687.

It can be divided in two parts, 8080008 and 800, that added together give a palindrome (8080808).

The spelling of 8080008800 in words is "eight billion, eighty million, eight thousand, eight hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 160 200 400 800 10100011 20200022 40400044 50500055 80800088 101000110 161600176 202000220 252500275 323200352 404000440 505000550 808000880 1010001100 1616001760 2020002200 4040004400 8080008800