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8068897180 = 22513923312457
BaseRepresentation
bin1111000001111000…
…11001100110011100
3202211100001110001201
413200330121212130
5113011114202210
63412400245244
7403645331401
oct74074314634
922740043051
108068897180
113470755973
121692310824
139b78b6996
145678c02a8
153235a953a
hex1e0f1999c

8068897180 has 48 divisors (see below), whose sum is σ = 17141211360. Its totient is φ = 3190330368.

The previous prime is 8068897163. The next prime is 8068897189. The reversal of 8068897180 is 817988608.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8068897189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 641512 + ... + 653968.

It is an arithmetic number, because the mean of its divisors is an integer number (357108570).

Almost surely, 28068897180 is an apocalyptic number.

It is an amenable number.

8068897180 is an abundant number, since it is smaller than the sum of its proper divisors (9072314180).

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

8068897180 is a wasteful number, since it uses less digits than its factorization.

8068897180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12838 (or 12836 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 55.

The square root of 8068897180 is about 89827.0403609069. The cubic root of 8068897180 is about 2005.7250280566.

The spelling of 8068897180 in words is "eight billion, sixty-eight million, eight hundred ninety-seven thousand, one hundred eighty".

Divisors: 1 2 4 5 10 20 139 233 278 466 556 695 932 1165 1390 2330 2780 4660 12457 24914 32387 49828 62285 64774 124570 129548 161935 249140 323870 647740 1731523 2902481 3463046 5804962 6926092 8657615 11609924 14512405 17315230 29024810 34630460 58049620 403444859 806889718 1613779436 2017224295 4034448590 8068897180