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28330550530305 = 3523711156585039
BaseRepresentation
bin1100111000100001110000…
…11001101001000100000001
310201022101002202222200020120
412130100320121221010001
512203131431413432210
6140130513015130453
75652546311133132
oct634207031510401
9121271082880216
1028330550530305
119032a12220121
123216798073a29
1312a673716655a
146dd2c5233c89
15341e215ce270
hex19c438669101

28330550530305 has 32 divisors (see below), whose sum is σ = 47965894778880. Its totient is φ = 14249127668160.

The previous prime is 28330550530297. The next prime is 28330550530313. The reversal of 28330550530305 is 50303505503382.

It is an interprime number because it is at equal distance from previous prime (28330550530297) and next prime (28330550530313).

It is not a de Polignac number, because 28330550530305 - 23 = 28330550530297 is a prime.

It is a super-3 number, since 3×283305505303053 (a number of 41 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 578268025 + ... + 578317014.

It is an arithmetic number, because the mean of its divisors is an integer number (1498934211840).

Almost surely, 228330550530305 is an apocalyptic number.

It is an amenable number.

28330550530305 is a deficient number, since it is larger than the sum of its proper divisors (19635344248575).

28330550530305 is a wasteful number, since it uses less digits than its factorization.

28330550530305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1156585141.

The product of its (nonzero) digits is 810000, while the sum is 42.

The spelling of 28330550530305 in words is "twenty-eight trillion, three hundred thirty billion, five hundred fifty million, five hundred thirty thousand, three hundred five".

Divisors: 1 3 5 15 23 69 71 115 213 345 355 1065 1633 4899 8165 24495 1156585039 3469755117 5782925195 17348775585 26601455897 79804367691 82117537769 133007279485 246352613307 399021838455 410587688845 1231763066535 1888703368687 5666110106061 9443516843435 28330550530305