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8080888880 = 245631160081
BaseRepresentation
bin1111000011010100…
…01001010000110000
3202212011121200120202
413201222021100300
5113022201421010
63413505254332
7404152264541
oct74152112060
922764550522
108080888880
1134774a6469
1216963343a8
139ba224c6c
145693224c8
153246776a5
hex1e1a89430

8080888880 has 40 divisors (see below), whose sum is σ = 18817959264. Its totient is φ = 3227212800.

The previous prime is 8080888877. The next prime is 8080888897. The reversal of 8080888880 is 888880808.

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

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, 29561 + ... + 130520.

Almost surely, 28080888880 is an apocalyptic number.

8080888880 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8080888880 is an abundant number, since it is smaller than the sum of its proper divisors (10737070384).

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

8080888880 is a wasteful number, since it uses less digits than its factorization.

8080888880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160725 (or 160719 counting only the distinct ones).

The product of its (nonzero) digits is 2097152, while the sum is 56.

The square root of 8080888880 is about 89893.7644111092. The cubic root of 8080888880 is about 2006.7181479761.

The spelling of 8080888880 in words is "eight billion, eighty million, eight hundred eighty-eight thousand, eight hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 40 80 631 1262 2524 3155 5048 6310 10096 12620 25240 50480 160081 320162 640324 800405 1280648 1600810 2561296 3201620 6403240 12806480 101011111 202022222 404044444 505055555 808088888 1010111110 1616177776 2020222220 4040444440 8080888880