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28355090498279 is a prime number
BaseRepresentation
bin1100111001001111011110…
…00110001100001011100111
310201101201110000021012202022
412130213233012030023213
512204032211131421104
6140150052043533355
75654405401333226
oct634475706141347
9121351400235668
1028355090498279
119042365409296
12321b4a652a25b
1312a8b4829ca6c
1470057246acbd
153428aabd0bbe
hex19c9ef18c2e7

28355090498279 has 2 divisors, whose sum is σ = 28355090498280. Its totient is φ = 28355090498278.

The previous prime is 28355090498263. The next prime is 28355090498303. The reversal of 28355090498279 is 97289409055382.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28355090498279 - 24 = 28355090498263 is a prime.

It is a super-2 number, since 2×283550904982792 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28355090498209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14177545249139 + 14177545249140.

It is an arithmetic number, because the mean of its divisors is an integer number (14177545249140).

Almost surely, 228355090498279 is an apocalyptic number.

28355090498279 is a deficient number, since it is larger than the sum of its proper divisors (1).

28355090498279 is an equidigital number, since it uses as much as digits as its factorization.

28355090498279 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 391910400, while the sum is 71.

The spelling of 28355090498279 in words is "twenty-eight trillion, three hundred fifty-five billion, ninety million, four hundred ninety-eight thousand, two hundred seventy-nine".