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28084429133479 is a prime number
BaseRepresentation
bin1100110001010111010100…
…11011000001011010100111
310200102211211011011021102201
412120223222123001122213
512140113402324232404
6135421450355315331
75626014222600265
oct630535233013247
9120384734137381
1028084429133479
118a485a30a4944
123196b4a5abb47
131289472803434
146d14179b5435
1533a81905aca4
hex198aea6c16a7

28084429133479 has 2 divisors, whose sum is σ = 28084429133480. Its totient is φ = 28084429133478.

The previous prime is 28084429133477. The next prime is 28084429133581. The reversal of 28084429133479 is 97433192448082.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28084429133479 - 21 = 28084429133477 is a prime.

Together with 28084429133477, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 28084429133479.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28084429133477) 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 as a sum of consecutive naturals, namely, 14042214566739 + 14042214566740.

It is an arithmetic number, because the mean of its divisors is an integer number (14042214566740).

Almost surely, 228084429133479 is an apocalyptic number.

28084429133479 is a deficient number, since it is larger than the sum of its proper divisors (1).

28084429133479 is an equidigital number, since it uses as much as digits as its factorization.

28084429133479 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 83607552, while the sum is 64.

The spelling of 28084429133479 in words is "twenty-eight trillion, eighty-four billion, four hundred twenty-nine million, one hundred thirty-three thousand, four hundred seventy-nine".