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28082422849 = 138930797883
BaseRepresentation
bin11010001001110101…
…111100010001000001
32200111010000220001011
4122021311330101001
5430003100012344
620522331440521
72012623440625
oct321165742101
980433026034
1028082422849
1110a00882a28
1255388b6141
132857018b70
1415058c7185
15ae55e7d34
hex689d7c441

28082422849 has 16 divisors (see below), whose sum is σ = 30596227200. Its totient is φ = 25619400576.

The previous prime is 28082422847. The next prime is 28082422903. The reversal of 28082422849 is 94822428082.

It is a cyclic number.

It is not a de Polignac number, because 28082422849 - 21 = 28082422847 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28082422847) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3558462 + ... + 3566344.

It is an arithmetic number, because the mean of its divisors is an integer number (1912264200).

Almost surely, 228082422849 is an apocalyptic number.

It is an amenable number.

28082422849 is a deficient number, since it is larger than the sum of its proper divisors (2513804351).

28082422849 is a wasteful number, since it uses less digits than its factorization.

28082422849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11064.

The product of its (nonzero) digits is 1179648, while the sum is 49.

The spelling of 28082422849 in words is "twenty-eight billion, eighty-two million, four hundred twenty-two thousand, eight hundred forty-nine".

Divisors: 1 13 89 1157 3079 7883 40027 102479 274031 701587 3562403 9120631 24271757 315532841 2160186373 28082422849