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2020385856 = 26310522843
BaseRepresentation
bin111100001101100…
…1010010001000000
312012210201020100210
41320123022101000
513114204321411
6532251514120
7101031665526
oct17033122100
95183636323
102020385856
11947500885
12484758940
132627642b8
14152484316
15bc58cca6
hex786ca440

2020385856 has 28 divisors (see below), whose sum is σ = 5345604752. Its totient is φ = 673461888.

The previous prime is 2020385837. The next prime is 2020385867. The reversal of 2020385856 is 6585830202.

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, 5261230 + ... + 5261613.

Almost surely, 22020385856 is an apocalyptic number.

It is an amenable number.

2020385856 is an abundant number, since it is smaller than the sum of its proper divisors (3325218896).

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

2020385856 is a wasteful number, since it uses less digits than its factorization.

2020385856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10522858 (or 10522848 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 39.

The square root of 2020385856 is about 44948.7024951778. The cubic root of 2020385856 is about 1264.1873487188.

The spelling of 2020385856 in words is "two billion, twenty million, three hundred eighty-five thousand, eight hundred fifty-six".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 192 10522843 21045686 31568529 42091372 63137058 84182744 126274116 168365488 252548232 336730976 505096464 673461952 1010192928 2020385856