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28116171000 = 2332533124019
BaseRepresentation
bin11010001011110110…
…101011100011111000
32200120110112110210200
4122023312223203320
5430040214433000
620525535042200
72013513340011
oct321366534370
980513473720
1028116171000
1110a18933465
125548070360
132861003b98
14150a190008
15ae8562500
hex68bdab8f8

28116171000 has 96 divisors (see below), whose sum is σ = 95032688400. Its totient is φ = 7497643200.

The previous prime is 28116170983. The next prime is 28116171023. The reversal of 28116171000 is 17161182.

28116171000 is a `hidden beast` number, since 28 + 11 + 617 + 10 + 0 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1553010 + ... + 1571009.

Almost surely, 228116171000 is an apocalyptic number.

28116171000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28116171000 is an abundant number, since it is smaller than the sum of its proper divisors (66916517400).

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

28116171000 is a wasteful number, since it uses less digits than its factorization.

28116171000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3124046 (or 3124029 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 27.

The spelling of 28116171000 in words is "twenty-eight billion, one hundred sixteen million, one hundred seventy-one thousand".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 18 20 24 25 30 36 40 45 50 60 72 75 90 100 120 125 150 180 200 225 250 300 360 375 450 500 600 750 900 1000 1125 1500 1800 2250 3000 4500 9000 3124019 6248038 9372057 12496076 15620095 18744114 24992152 28116171 31240190 37488228 46860285 56232342 62480380 74976456 78100475 93720570 112464684 124960760 140580855 156200950 187441140 224929368 234301425 281161710 312401900 374882280 390502375 468602850 562323420 624803800 702904275 781004750 937205700 1124646840 1171507125 1405808550 1562009500 1874411400 2343014250 2811617100 3124019000 3514521375 4686028500 5623234200 7029042750 9372057000 14058085500 28116171000