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85084750128 = 2437341126047
BaseRepresentation
bin100111100111101110…
…0100100000100110000
322010121200222010212210
41033033130210010300
52343223144001003
6103030513252120
76101323305000
oct1171734440460
9263550863783
1085084750128
11330a213a114
12145a6864040
13803c6c7bc1
1441921bc000
15232eab6503
hex13cf724130

85084750128 has 160 divisors (see below), whose sum is σ = 262583193600. Its totient is φ = 23716815360.

The previous prime is 85084750097. The next prime is 85084750133. The reversal of 85084750128 is 82105748058.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 612001 + ... + 738047.

It is an arithmetic number, because the mean of its divisors is an integer number (1641144960).

Almost surely, 285084750128 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 85084750128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131291596800).

85084750128 is an abundant number, since it is smaller than the sum of its proper divisors (177498443472).

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

85084750128 is a wasteful number, since it uses less digits than its factorization.

85084750128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126120 (or 126100 counting only the distinct ones).

The product of its (nonzero) digits is 716800, while the sum is 48.

The spelling of 85084750128 in words is "eighty-five billion, eighty-four million, seven hundred fifty thousand, one hundred twenty-eight".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 41 42 48 49 56 82 84 98 112 123 147 164 168 196 246 287 294 328 336 343 392 492 574 588 656 686 784 861 984 1029 1148 1176 1372 1722 1968 2009 2058 2296 2352 2744 3444 4018 4116 4592 5488 6027 6888 8036 8232 12054 13776 14063 16072 16464 24108 28126 32144 42189 48216 56252 84378 96432 112504 126047 168756 225008 252094 337512 378141 504188 675024 756282 882329 1008376 1512564 1764658 2016752 2646987 3025128 3529316 5167927 5293974 6050256 6176303 7058632 10335854 10587948 12352606 14117264 15503781 18528909 20671708 21175896 24705212 31007562 36175489 37057818 41343416 42351792 43234121 49410424 62015124 72350978 74115636 82686832 86468242 98820848 108526467 124030248 129702363 144701956 148231272 172936484 217052934 248060496 253228423 259404726 289403912 296462544 345872968 434105868 506456846 518809452 578807824 691745936 759685269 868211736 1012913692 1037618904 1519370538 1736423472 1772598961 2025827384 2075237808 3038741076 3545197922 4051654768 5317796883 6077482152 7090395844 10635593766 12154964304 14180791688 21271187532 28361583376 42542375064 85084750128