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28870543341 = 347113736643
BaseRepresentation
bin11010111000110100…
…011000011111101101
32202112001000120010000
4122320310120133231
5433111324341331
621132443534513
72041303366203
oct327064303755
982461016100
1028870543341
111127573a582
12571882a439
13295139c853
14157c43d073
15b3e8c50e6
hex6b8d187ed

28870543341 has 40 divisors (see below), whose sum is σ = 44055468864. Its totient is φ = 18836919360.

The previous prime is 28870543297. The next prime is 28870543357. The reversal of 28870543341 is 14334507882.

28870543341 is a `hidden beast` number, since 2 + 8 + 8 + 70 + 543 + 34 + 1 = 666.

It is not a de Polignac number, because 28870543341 - 27 = 28870543213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28870547341) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 769566 + ... + 806208.

Almost surely, 228870543341 is an apocalyptic number.

It is an amenable number.

28870543341 is a deficient number, since it is larger than the sum of its proper divisors (15184925523).

28870543341 is a wasteful number, since it uses less digits than its factorization.

28870543341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36863 (or 36854 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

The spelling of 28870543341 in words is "twenty-eight billion, eight hundred seventy million, five hundred forty-three thousand, three hundred forty-one".

Divisors: 1 3 9 27 71 81 137 213 411 639 1233 1917 3699 5751 9727 11097 29181 36643 87543 109929 262629 329787 787887 989361 2601653 2968083 5020091 7804959 15060273 23414877 45180819 70244631 135542457 210733893 356426461 406627371 1069279383 3207838149 9623514447 28870543341