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2068286864 = 247215117471
BaseRepresentation
bin111101101000111…
…1000110110010000
312100010211212012012
41323101320312100
513213440134424
6541122322052
7102153101600
oct17321706620
95303755165
102068286864
11971548596
124987b9328
1326c6661a7
14158992c00
15c18a0b0e
hex7b478d90

2068286864 has 60 divisors (see below), whose sum is σ = 4692699648. Its totient is φ = 880488000.

The previous prime is 2068286849. The next prime is 2068286887. The reversal of 2068286864 is 4686828602.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 109649 + ... + 127119.

Almost surely, 22068286864 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 2068286864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2346349824).

2068286864 is an abundant number, since it is smaller than the sum of its proper divisors (2624412784).

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

2068286864 is a wasteful number, since it uses less digits than its factorization.

2068286864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17644 (or 17631 counting only the distinct ones).

The product of its (nonzero) digits is 1769472, while the sum is 50.

The square root of 2068286864 is about 45478.4219603099. The cubic root of 2068286864 is about 1274.1002215566.

The spelling of 2068286864 in words is "two billion, sixty-eight million, two hundred eighty-six thousand, eight hundred sixty-four".

Divisors: 1 2 4 7 8 14 16 28 49 56 98 112 151 196 302 392 604 784 1057 1208 2114 2416 4228 7399 8456 14798 16912 17471 29596 34942 59192 69884 118384 122297 139768 244594 279536 489188 856079 978376 1712158 1956752 2638121 3424316 5276242 6848632 10552484 13697264 18466847 21104968 36933694 42209936 73867388 129267929 147734776 258535858 295469552 517071716 1034143432 2068286864