Search a number
-
+
8068568500 = 2253192929287
BaseRepresentation
bin1111000001110110…
…01001010110110100
3202211022102202012101
413200323021112310
5113011023143000
63412345231444
7403642462216
oct74073112664
922738382171
108068568500
113470550a33
121692192584
139b78001b5
145678365b6
15323541e6a
hex1e0ec95b4

8068568500 has 96 divisors (see below), whose sum is σ = 19189497600. Its totient is φ = 2952028800.

The previous prime is 8068568483. The next prime is 8068568513. The reversal of 8068568500 is 58658608.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 260857 + ... + 290143.

It is an arithmetic number, because the mean of its divisors is an integer number (199890600).

Almost surely, 28068568500 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 8068568500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9594748800).

8068568500 is an abundant number, since it is smaller than the sum of its proper divisors (11120929100).

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

8068568500 is a wasteful number, since it uses less digits than its factorization.

8068568500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29354 (or 29342 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 46.

The square root of 8068568500 is about 89825.2108263599. The cubic root of 8068568500 is about 2005.6977938246.

The spelling of 8068568500 in words is "eight billion, sixty-eight million, five hundred sixty-eight thousand, five hundred".

Divisors: 1 2 4 5 10 19 20 25 29 38 50 58 76 95 100 116 125 145 190 250 290 380 475 500 551 580 725 950 1102 1450 1900 2204 2375 2755 2900 3625 4750 5510 7250 9500 11020 13775 14500 27550 29287 55100 58574 68875 117148 137750 146435 275500 292870 556453 585740 732175 849323 1112906 1464350 1698646 2225812 2782265 2928700 3397292 3660875 4246615 5564530 7321750 8493230 11129060 13911325 14643500 16137137 16986460 21233075 27822650 32274274 42466150 55645300 64548548 69556625 80685685 84932300 106165375 139113250 161371370 212330750 278226500 322742740 403428425 424661500 806856850 1613713700 2017142125 4034284250 8068568500