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28338433833 = 341673438713
BaseRepresentation
bin11010011001000110…
…100010111100101001
32201010221202121002110
4122121012202330221
5431014114340313
621003554552533
72022152466423
oct323106427451
981127677073
1028338433833
1111022341856
1255aa598749
132898084558
14152b8c9813
15b0cd17ec3
hex6991a2f29

28338433833 has 16 divisors (see below), whose sum is σ = 39283868736. Its totient is φ = 18156399360.

The previous prime is 28338433831. The next prime is 28338433909. The reversal of 28338433833 is 33833483382.

It is not a de Polignac number, because 28338433833 - 21 = 28338433831 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28338433831) 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 15 ways as a sum of consecutive naturals, for example, 1711116 + ... + 1727597.

It is an arithmetic number, because the mean of its divisors is an integer number (2455241796).

Almost surely, 228338433833 is an apocalyptic number.

It is an amenable number.

28338433833 is a deficient number, since it is larger than the sum of its proper divisors (10945434903).

28338433833 is a wasteful number, since it uses less digits than its factorization.

28338433833 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3438824.

The product of its digits is 2985984, while the sum is 48.

The spelling of 28338433833 in words is "twenty-eight billion, three hundred thirty-eight million, four hundred thirty-three thousand, eight hundred thirty-three".

Divisors: 1 3 41 67 123 201 2747 8241 3438713 10316139 140987233 230393771 422961699 691181313 9446144611 28338433833