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2085289668 = 22327211107467
BaseRepresentation
bin111110001001010…
…1111111011000100
312101022211200122200
41330102233323010
513232313232133
6542530554500
7102450445500
oct17422577304
95338750580
102085289668
11980100aa0
124a2438a30
1327303a317
1415ad3b300
15c310d913
hex7c4afec4

2085289668 has 108 divisors (see below), whose sum is σ = 6689238192. Its totient is φ = 541628640.

The previous prime is 2085289663. The next prime is 2085289673. The reversal of 2085289668 is 8669825802.

2085289668 is a `hidden beast` number, since 20 + 8 + 528 + 96 + 6 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (2085289663) and next prime (2085289673).

It is not an unprimeable number, because it can be changed into a prime (2085289663) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 34330 + ... + 73137.

Almost surely, 22085289668 is an apocalyptic number.

2085289668 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2085289668 is an abundant number, since it is smaller than the sum of its proper divisors (4603948524).

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

2085289668 is a wasteful number, since it uses less digits than its factorization.

2085289668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107502 (or 107490 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 54.

The square root of 2085289668 is about 45664.9720026193. The cubic root of 2085289668 is about 1277.5820376415.

The spelling of 2085289668 in words is "two billion, eighty-five million, two hundred eighty-nine thousand, six hundred sixty-eight".

Divisors: 1 2 3 4 6 7 9 11 12 14 18 21 22 28 33 36 42 44 49 63 66 77 84 98 99 126 132 147 154 196 198 231 252 294 308 396 441 462 539 588 693 882 924 1078 1386 1617 1764 2156 2772 3234 4851 6468 9702 19404 107467 214934 322401 429868 644802 752269 967203 1182137 1289604 1504538 1934406 2256807 2364274 3009076 3546411 3868812 4513614 4728548 5265883 6770421 7092822 8274959 9027228 10531766 10639233 13540842 14185644 15797649 16549918 21063532 21278466 24824877 27081684 31595298 33099836 42556932 47392947 49649754 57924713 63190596 74474631 94785894 99299508 115849426 148949262 173774139 189571788 231698852 297898524 347548278 521322417 695096556 1042644834 2085289668