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28595349423 = 328293832643
BaseRepresentation
bin11010101000011010…
…100110011110101111
32201210212012021000200
4122220122212132233
5432030402140143
621045253324543
72031422313444
oct325032463657
981725167020
1028595349423
1111144369293
125660636753
132909378904
141553a859cb
15b256661d3
hex6a86a67af

28595349423 has 12 divisors (see below), whose sum is σ = 41354228760. Its totient is φ = 19040565456.

The previous prime is 28595349421. The next prime is 28595349439. The reversal of 28595349423 is 32494359582.

28595349423 is a `hidden beast` number, since 2 + 8 + 595 + 3 + 4 + 9 + 42 + 3 = 666.

It is not a de Polignac number, because 28595349423 - 21 = 28595349421 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 28595349423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28595349421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1908861 + ... + 1923782.

It is an arithmetic number, because the mean of its divisors is an integer number (3446185730).

Almost surely, 228595349423 is an apocalyptic number.

28595349423 is a deficient number, since it is larger than the sum of its proper divisors (12758879337).

28595349423 is a wasteful number, since it uses less digits than its factorization.

28595349423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3833478 (or 3833475 counting only the distinct ones).

The product of its digits is 9331200, while the sum is 54.

The spelling of 28595349423 in words is "twenty-eight billion, five hundred ninety-five million, three hundred forty-nine thousand, four hundred twenty-three".

Divisors: 1 3 9 829 2487 7461 3832643 11497929 34493787 3177261047 9531783141 28595349423