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208652898020 = 22572193767939
BaseRepresentation
bin1100001001010010101…
…1101000111011100100
3201221120101020110002212
43002110223220323210
511404310120214040
6235504231422552
721034420240640
oct3022453507344
9657511213085
10208652898020
1180542137596
1234531524a58
13168a2bbc388
14a155381c20
155662e3ad65
hex3094ae8ee4

208652898020 has 48 divisors (see below), whose sum is σ = 500797153920. Its totient is φ = 71533822464.

The previous prime is 208652898007. The next prime is 208652898133. The reversal of 208652898020 is 20898256802.

208652898020 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 208652898020.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3037211 + ... + 3105149.

It is an arithmetic number, because the mean of its divisors is an integer number (10433274040).

Almost surely, 2208652898020 is an apocalyptic number.

208652898020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

208652898020 is an abundant number, since it is smaller than the sum of its proper divisors (292144255900).

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

208652898020 is a wasteful number, since it uses less digits than its factorization.

208652898020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89892 (or 89890 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 50.

The spelling of 208652898020 in words is "two hundred eight billion, six hundred fifty-two million, eight hundred ninety-eight thousand, twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 21937 43874 67939 87748 109685 135878 153559 219370 271756 307118 339695 438740 475573 614236 679390 767795 951146 1358780 1535590 1902292 2377865 3071180 4755730 9511460 1490377843 2980755686 5961511372 7451889215 10432644901 14903778430 20865289802 29807556860 41730579604 52163224505 104326449010 208652898020