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28605086396 = 2267213150087
BaseRepresentation
bin11010101000111111…
…101111101010111100
32201211112111221122022
4122220333233222330
5432040400231041
621050242135312
72031601136225
oct325077575274
981745457568
1028605086396
1111149909877
125663951538
13290b3a7833
14155509c24c
15b2643b24b
hex6a8fefabc

28605086396 has 24 divisors (see below), whose sum is σ = 50830905216. Its totient is φ = 14082179760.

The previous prime is 28605086357. The next prime is 28605086399. The reversal of 28605086396 is 69368050682.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28605086399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 546065 + ... + 596151.

It is an arithmetic number, because the mean of its divisors is an integer number (2117954384).

Almost surely, 228605086396 is an apocalyptic number.

It is an amenable number.

28605086396 is a deficient number, since it is larger than the sum of its proper divisors (22225818820).

28605086396 is a wasteful number, since it uses less digits than its factorization.

28605086396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52289 (or 52287 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 53.

The spelling of 28605086396 in words is "twenty-eight billion, six hundred five million, eighty-six thousand, three hundred ninety-six".

Divisors: 1 2 4 67 134 268 2131 4262 8524 50087 100174 142777 200348 285554 571108 3355829 6711658 13423316 106735397 213470794 426941588 7151271599 14302543198 28605086396