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28000050055275 = 352486797669303
BaseRepresentation
bin1100101110111010001010…
…00010011000100001101011
310200010210000122000222110010
412113131011002120201223
512132223100303232100
6135315013451023003
75616636225345654
oct627350502304153
9120123018028403
1028000050055275
118a15833329571
12318272013aa63
1312815163824ac
146cb2d140a52b
1533852b3d7750
hex19774509886b

28000050055275 has 24 divisors (see below), whose sum is σ = 46294373121280. Its totient is φ = 14933051310240.

The previous prime is 28000050055253. The next prime is 28000050055291. The reversal of 28000050055275 is 57255005000082.

It is a de Polignac number, because none of the positive numbers 2k-28000050055275 is a prime.

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, 183727 + ... + 7485576.

Almost surely, 228000050055275 is an apocalyptic number.

28000050055275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

28000050055275 is a deficient number, since it is larger than the sum of its proper divisors (18294323066005).

28000050055275 is a wasteful number, since it uses less digits than its factorization.

28000050055275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7717995 (or 7717990 counting only the distinct ones).

The product of its (nonzero) digits is 140000, while the sum is 39.

The spelling of 28000050055275 in words is "twenty-eight trillion, fifty million, fifty-five thousand, two hundred seventy-five".

Divisors: 1 3 5 15 25 75 48679 146037 243395 730185 1216975 3650925 7669303 23007909 38346515 115039545 191732575 575197725 373334000737 1120002002211 1866670003685 5600010011055 9333350018425 28000050055275