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28286130815000 = 23545657226163
BaseRepresentation
bin1100110111001111000001…
…10001111000000000011000
310201011010110002110100010122
412123213200301320000120
512201414443442040000
6140054245154332412
75646414455602022
oct633474061700030
9121133402410118
1028286130815000
119016098477603
12320a05bb8a108
1312a24a853a346
146db0ada99012
15340bc1ab7085
hex19b9e0c78018

28286130815000 has 40 divisors (see below), whose sum is σ = 66274404511260. Its totient is φ = 11314452324000.

The previous prime is 28286130814987. The next prime is 28286130815023. The reversal of 28286130815000 is 51803168282.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

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 9 ways as a sum of consecutive naturals, for example, 2828608082 + ... + 2828618081.

Almost surely, 228286130815000 is an apocalyptic number.

28286130815000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28286130815000 is an abundant number, since it is smaller than the sum of its proper divisors (37988273696260).

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

28286130815000 is an equidigital number, since it uses as much as digits as its factorization.

28286130815000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5657226189 (or 5657226170 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 44.

The spelling of 28286130815000 in words is "twenty-eight trillion, two hundred eighty-six billion, one hundred thirty million, eight hundred fifteen thousand".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 125 200 250 500 625 1000 1250 2500 5000 5657226163 11314452326 22628904652 28286130815 45257809304 56572261630 113144523260 141430654075 226289046520 282861308150 565722616300 707153270375 1131445232600 1414306540750 2828613081500 3535766351875 5657226163000 7071532703750 14143065407500 28286130815000