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28616505753 = 3111078104363
BaseRepresentation
bin11010101001101011…
…010011100110011001
32201212100000010001110
4122221223103212121
5432101311141003
621051331010533
72032100166633
oct325153234631
981770003043
1028616505753
11111552a9360
125667739a49
132910875454
1415567d1a53
15b27444a03
hex6a9ad3999

28616505753 has 16 divisors (see below), whose sum is σ = 42013022976. Its totient is φ = 17181247440.

The previous prime is 28616505737. The next prime is 28616505787. The reversal of 28616505753 is 35750561682.

It is not a de Polignac number, because 28616505753 - 24 = 28616505737 is a prime.

It is a super-2 number, since 2×286165057532 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (28616505053) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 4048651 + ... + 4055712.

It is an arithmetic number, because the mean of its divisors is an integer number (2625813936).

Almost surely, 228616505753 is an apocalyptic number.

It is an amenable number.

28616505753 is a deficient number, since it is larger than the sum of its proper divisors (13396517223).

28616505753 is a wasteful number, since it uses less digits than its factorization.

28616505753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8104484.

The product of its (nonzero) digits is 1512000, while the sum is 48.

The spelling of 28616505753 in words is "twenty-eight billion, six hundred sixteen million, five hundred five thousand, seven hundred fifty-three".

Divisors: 1 3 11 33 107 321 1177 3531 8104363 24313089 89147993 267443979 867166841 2601500523 9538835251 28616505753