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28058002700 = 22527213440471
BaseRepresentation
bin11010001000011000…
…110010010100001100
32200102102002012220012
4122020120302110030
5424430322041300
620520100212352
72012206042100
oct321030622414
980372065805
1028058002700
1110999013792
12553069a0b8
132851c48880
14150256b900
15ae33c2435
hex68863250c

28058002700 has 108 divisors (see below), whose sum is σ = 76274774352. Its totient is φ = 8879875200.

The previous prime is 28058002667. The next prime is 28058002711. The reversal of 28058002700 is 720085082.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 156536 + ... + 283935.

Almost surely, 228058002700 is an apocalyptic number.

28058002700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28058002700 is an abundant number, since it is smaller than the sum of its proper divisors (48216771652).

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

28058002700 is a wasteful number, since it uses less digits than its factorization.

28058002700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440512 (or 440498 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 32.

Adding to 28058002700 its reverse (720085082), we get a palindrome (28778087782).

The spelling of 28058002700 in words is "twenty-eight billion, fifty-eight million, two thousand, seven hundred".

Divisors: 1 2 4 5 7 10 13 14 20 25 26 28 35 49 50 52 65 70 91 98 100 130 140 175 182 196 245 260 325 350 364 455 490 637 650 700 910 980 1225 1274 1300 1820 2275 2450 2548 3185 4550 4900 6370 9100 12740 15925 31850 63700 440471 880942 1761884 2202355 3083297 4404710 5726123 6166594 8809420 11011775 11452246 12333188 15416485 21583079 22023550 22904492 28630615 30832970 40082861 43166158 44047100 57261230 61665940 77082425 80165722 86332316 107915395 114522460 143153075 154164850 160331444 200414305 215830790 280580027 286306150 308329700 400828610 431661580 539576975 561160054 572612300 801657220 1002071525 1079153950 1122320108 1402900135 2004143050 2158307900 2805800270 4008286100 5611600540 7014500675 14029001350 28058002700