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28005250255050 = 2352186701668367
BaseRepresentation
bin1100101111000011110101…
…11111100100100011001010
310200011021110001010111110210
412113201322333210203022
512132314223031130200
6135321233453221550
75620212131332155
oct627417277444312
9120137401114423
1028005250255050
118a17a61745632
1231837317918b6
131281b64838293
146cb665d02c9c
15338732bd7650
hex19787afe48ca

28005250255050 has 24 divisors (see below), whose sum is σ = 69453020632896. Its totient is φ = 7468066734640.

The previous prime is 28005250255043. The next prime is 28005250255051. The reversal of 28005250255050 is 5055205250082.

It is not an unprimeable number, because it can be changed into a prime (28005250255051) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 93350834034 + ... + 93350834333.

It is an arithmetic number, because the mean of its divisors is an integer number (2893875859704).

Almost surely, 228005250255050 is an apocalyptic number.

28005250255050 is an abundant number, since it is smaller than the sum of its proper divisors (41447770377846).

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

28005250255050 is a wasteful number, since it uses less digits than its factorization.

28005250255050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186701668382 (or 186701668377 counting only the distinct ones).

The product of its (nonzero) digits is 200000, while the sum is 39.

The spelling of 28005250255050 in words is "twenty-eight trillion, five billion, two hundred fifty million, two hundred fifty-five thousand, fifty".

Divisors: 1 2 3 5 6 10 15 25 30 50 75 150 186701668367 373403336734 560105005101 933508341835 1120210010202 1867016683670 2800525025505 4667541709175 5601050051010 9335083418350 14002625127525 28005250255050