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8080195968 = 2732131973389
BaseRepresentation
bin1111000011001111…
…00000000110000000
3202212010022111002100
413201213200012000
5113022012232333
63413442350400
7404143350435
oct74147400600
922763274070
108080195968
113477072909
12169605b400
139ba041760
145691c1b8c
1532458c213
hex1e19e0180

8080195968 has 384 divisors, whose sum is σ = 26787852000. Its totient is φ = 2317123584.

The previous prime is 8080195957. The next prime is 8080195993. The reversal of 8080195968 is 8695910808.

It is a tau number, because it is divible by the number of its divisors (384).

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 20771518 + ... + 20771906.

Almost surely, 28080195968 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8080195968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13393926000).

8080195968 is an abundant number, since it is smaller than the sum of its proper divisors (18707656032).

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

8080195968 is a wasteful number, since it uses less digits than its factorization.

8080195968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514 (or 499 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 54.

The square root of 8080195968 is about 89889.9102680607. The cubic root of 8080195968 is about 2006.6607896479.

The spelling of 8080195968 in words is "eight billion, eighty million, one hundred ninety-five thousand, nine hundred sixty-eight".