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28860057200 = 2452135550011
BaseRepresentation
bin11010111000001100…
…011000011001110000
32202111022021210211102
4122320030120121300
5433101133312300
621131431103532
72041115303312
oct327014303160
982438253742
1028860057200
111126a828147
125715211ba8
13294c16a930
14157acad7b2
15b3da030d5
hex6b8318670

28860057200 has 60 divisors (see below), whose sum is σ = 74669861448. Its totient is φ = 10656019200.

The previous prime is 28860057181. The next prime is 28860057251. The reversal of 28860057200 is 275006882.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2769806 + ... + 2780205.

Almost surely, 228860057200 is an apocalyptic number.

28860057200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28860057200 is an abundant number, since it is smaller than the sum of its proper divisors (45809804248).

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

28860057200 is a wasteful number, since it uses less digits than its factorization.

28860057200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5550042 (or 5550031 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 38.

The spelling of 28860057200 in words is "twenty-eight billion, eight hundred sixty million, fifty-seven thousand, two hundred".

Divisors: 1 2 4 5 8 10 13 16 20 25 26 40 50 52 65 80 100 104 130 200 208 260 325 400 520 650 1040 1300 2600 5200 5550011 11100022 22200044 27750055 44400088 55500110 72150143 88800176 111000220 138750275 144300286 222000440 277500550 288600572 360750715 444000880 555001100 577201144 721501430 1110002200 1154402288 1443002860 1803753575 2220004400 2886005720 3607507150 5772011440 7215014300 14430028600 28860057200