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8080299920 = 24572111773151
BaseRepresentation
bin1111000011001111…
…11001011110010000
3202212010111202200102
413201213321132100
5113022024044140
63413444511532
7404144262500
oct74147713620
922763452612
108080299920
113477133a20
1216960ab5a8
139ba079b74
1456920ba00
153245ace15
hex1e19f9790

8080299920 has 480 divisors, whose sum is σ = 25758279936. Its totient is φ = 2322432000.

The previous prime is 8080299919. The next prime is 8080299959. The reversal of 8080299920 is 299920808.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 53511845 + ... + 53511995.

Almost surely, 28080299920 is an apocalyptic number.

8080299920 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8080299920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12879139968).

8080299920 is an abundant number, since it is smaller than the sum of its proper divisors (17677980016).

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

8080299920 is a wasteful number, since it uses less digits than its factorization.

8080299920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279 (or 266 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 47.

The square root of 8080299920 is about 89890.4884846000. The cubic root of 8080299920 is about 2006.6693948644.

The spelling of 8080299920 in words is "eight billion, eighty million, two hundred ninety-nine thousand, nine hundred twenty".