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805134936795 = 357171993536421
BaseRepresentation
bin10111011011101011100…
…10000010101011011011
32211222012020102120000220
423231311302002223123
5101142404020434140
61413512431531123
7112111665021150
oct13556562025333
92758166376026
10805134936795
11290501755812
1211005a089aa3
135ac01a61b07
142ad7c310227
1515e23eeebd0
hexbb75c82adb

805134936795 has 128 divisors (see below), whose sum is σ = 1571365785600. Its totient is φ = 343640309760.

The previous prime is 805134936773. The next prime is 805134936877. The reversal of 805134936795 is 597639431508.

It is not a de Polignac number, because 805134936795 - 25 = 805134936763 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 125387685 + ... + 125394105.

It is an arithmetic number, because the mean of its divisors is an integer number (12276295200).

Almost surely, 2805134936795 is an apocalyptic number.

805134936795 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

805134936795 is a deficient number, since it is larger than the sum of its proper divisors (766230848805).

805134936795 is a wasteful number, since it uses less digits than its factorization.

805134936795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7005.

The product of its (nonzero) digits is 24494400, while the sum is 60.

The spelling of 805134936795 in words is "eight hundred five billion, one hundred thirty-four million, nine hundred thirty-six thousand, seven hundred ninety-five".

Divisors: 1 3 5 7 15 17 21 35 51 85 105 119 199 255 353 357 595 597 995 1059 1393 1765 1785 2471 2985 3383 4179 5295 6001 6421 6965 7413 10149 12355 16915 18003 19263 20895 23681 30005 32105 37065 42007 44947 50745 70247 71043 90015 96315 109157 118405 126021 134841 210035 210741 224735 327471 351235 355215 491729 545785 630105 674205 764099 1053705 1194199 1277779 1475187 1637355 2266613 2292297 2458645 3582597 3820495 3833337 5970995 6388895 6799839 7375935 8359393 8944453 11333065 11461485 15866291 17912985 19166685 21722243 25078179 26833359 33999195 38532421 41796965 44722265 47598873 65166729 79331455 108611215 115597263 125390895 134166795 152055701 192662105 237994365 269726947 325833645 451055987 456167103 577986315 760278505 809180841 1348634735 1353167961 2255279935 2280835515 3157391909 4045904205 6765839805 7667951779 9472175727 15786959545 23003855337 38339758895 47360878635 53675662453 115019276685 161026987359 268378312265 805134936795