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8088408080 = 245101105101
BaseRepresentation
bin1111000100001101…
…10101000000010000
3202212200202200222122
413202012311000100
5113031113024310
63414334353412
7404303222444
oct74206650020
922780680878
108088408080
113480771785
12169895b868
139bb9585ac
1456a31c824
15325160555
hex1e21b5010

8088408080 has 20 divisors (see below), whose sum is σ = 18805548972. Its totient is φ = 3235363200.

The previous prime is 8088408077. The next prime is 8088408089. The reversal of 8088408080 is 808048808.

It can be written as a sum of positive squares in 2 ways, for example, as 3600480016 + 4487928064 = 60004^2 + 66992^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (8088408089) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50552471 + ... + 50552630.

Almost surely, 28088408080 is an apocalyptic number.

8088408080 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8088408080 is an abundant number, since it is smaller than the sum of its proper divisors (10717140892).

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

8088408080 is a wasteful number, since it uses less digits than its factorization.

8088408080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101105114 (or 101105108 counting only the distinct ones).

The product of its (nonzero) digits is 131072, while the sum is 44.

The square root of 8088408080 is about 89935.5773873721. The cubic root of 8088408080 is about 2007.3403665506.

The spelling of 8088408080 in words is "eight billion, eighty-eight million, four hundred eight thousand, eighty".

Divisors: 1 2 4 5 8 10 16 20 40 80 101105101 202210202 404420404 505525505 808840808 1011051010 1617681616 2022102020 4044204040 8088408080