Search a number
-
+
80209580208 = 2431671032921
BaseRepresentation
bin100101010110011011…
…1010001000010110000
321200000221110211222220
41022230313101002300
52303232123031313
6100503041401040
75536445116422
oct1125467210260
9250027424886
1080209580208
113102024286a
1213666039180
137743694884
143c4c932812
152146abb823
hex12acdd10b0

80209580208 has 20 divisors (see below), whose sum is σ = 207208082328. Its totient is φ = 26736526720.

The previous prime is 80209580161. The next prime is 80209580263. The reversal of 80209580208 is 80208590208.

It is a self number, because there is not a number n which added to its sum of digits gives 80209580208.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 835516413 + ... + 835516508.

Almost surely, 280209580208 is an apocalyptic number.

It is an amenable number.

80209580208 is an abundant number, since it is smaller than the sum of its proper divisors (126998502120).

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

80209580208 is a wasteful number, since it uses less digits than its factorization.

80209580208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1671032932 (or 1671032926 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 42.

The spelling of 80209580208 in words is "eighty billion, two hundred nine million, five hundred eighty thousand, two hundred eight".

Divisors: 1 2 3 4 6 8 12 16 24 48 1671032921 3342065842 5013098763 6684131684 10026197526 13368263368 20052395052 26736526736 40104790104 80209580208