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28293941841 = 31110738920599
BaseRepresentation
bin11010010110011100…
…110100101001010001
32201000212001011112220
4122112130310221101
5430421222114331
620555325211253
72021102352234
oct322634645121
981025034486
1028293941841
1110aaa213310
125597700b29
13288baa7229
141525a2741b
15b08e7a296
hex696734a51

28293941841 has 32 divisors (see below), whose sum is σ = 41648256000. Its totient is φ = 16943090880.

The previous prime is 28293941779. The next prime is 28293941867. The reversal of 28293941841 is 14814939282.

It is not a de Polignac number, because 28293941841 - 213 = 28293933649 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (28293942841) by changing a digit.

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, 1363260 + ... + 1383858.

It is an arithmetic number, because the mean of its divisors is an integer number (1301508000).

Almost surely, 228293941841 is an apocalyptic number.

It is an amenable number.

28293941841 is a deficient number, since it is larger than the sum of its proper divisors (13354314159).

28293941841 is a wasteful number, since it uses less digits than its factorization.

28293941841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21109.

The product of its digits is 995328, while the sum is 51.

The spelling of 28293941841 in words is "twenty-eight billion, two hundred ninety-three million, nine hundred forty-one thousand, eight hundred forty-one".

Divisors: 1 3 11 33 107 321 389 1167 1177 3531 4279 12837 20599 41623 61797 124869 226589 457853 679767 1373559 2204093 6612279 8013011 24039033 24245023 72735069 88143121 264429363 857392177 2572176531 9431313947 28293941841