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28341802085 = 583107787811
BaseRepresentation
bin11010011001010011…
…011001010001100101
32201011012002201110112
4122121103121101211
5431021000131320
621004155102405
72022223225412
oct323123312145
981135081415
1028341802085
1111024232433
1255ab741a05
1328989936bc
14152c125109
15b0d280ec5
hex6994d9465

28341802085 has 32 divisors (see below), whose sum is σ = 34828641792. Its totient is φ = 22135394880.

The previous prime is 28341802079. The next prime is 28341802091. The reversal of 28341802085 is 58020814382.

It is an interprime number because it is at equal distance from previous prime (28341802079) and next prime (28341802091).

It is not a de Polignac number, because 28341802085 - 214 = 28341785701 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 34946330 + ... + 34947140.

It is an arithmetic number, because the mean of its divisors is an integer number (1088395056).

Almost surely, 228341802085 is an apocalyptic number.

It is an amenable number.

28341802085 is a deficient number, since it is larger than the sum of its proper divisors (6486839707).

28341802085 is a wasteful number, since it uses less digits than its factorization.

28341802085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1793.

The product of its (nonzero) digits is 122880, while the sum is 41.

The spelling of 28341802085 in words is "twenty-eight billion, three hundred forty-one million, eight hundred two thousand, eighty-five".

Divisors: 1 5 83 107 415 535 787 811 3935 4055 8881 44405 65321 67313 84209 86777 326605 336565 421045 433885 638257 3191285 6989347 7202491 34946735 36012455 52975331 68293499 264876655 341467495 5668360417 28341802085