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85120714680 = 23353312143019
BaseRepresentation
bin100111101000110010…
…1110000011110111000
322010201012122022222020
41033101211300132320
52343311400332210
6103034240154440
76102241064631
oct1172145603670
9263635568866
1085120714680
1133110473891
12145b6908a20
138046caa9c1
144196ca0888
152332d1c770
hex13d19707b8

85120714680 has 64 divisors (see below), whose sum is σ = 256133750400. Its totient is φ = 22630270080.

The previous prime is 85120714673. The next prime is 85120714681. The reversal of 85120714680 is 8641702158.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85120714681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1031790 + ... + 1111229.

It is an arithmetic number, because the mean of its divisors is an integer number (4002089850).

Almost surely, 285120714680 is an apocalyptic number.

It is an amenable number.

85120714680 is an abundant number, since it is smaller than the sum of its proper divisors (171013035720).

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

85120714680 is a wasteful number, since it uses less digits than its factorization.

85120714680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2143364 (or 2143360 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 42.

The spelling of 85120714680 in words is "eighty-five billion, one hundred twenty million, seven hundred fourteen thousand, six hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 331 662 993 1324 1655 1986 2648 3310 3972 4965 6620 7944 9930 13240 19860 39720 2143019 4286038 6429057 8572076 10715095 12858114 17144152 21430190 25716228 32145285 42860380 51432456 64290570 85720760 128581140 257162280 709339289 1418678578 2128017867 2837357156 3546696445 4256035734 5674714312 7093392890 8512071468 10640089335 14186785780 17024142936 21280178670 28373571560 42560357340 85120714680