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28078575347 is a prime number
BaseRepresentation
bin11010001001100111…
…010000111011110011
32200110211210102021002
4122021213100323303
5430001103402342
620522113152215
72012545644464
oct321147207363
980424712232
1028078575347
11109a9695279
12553755b66b
13285629c834
1415051a4d6b
15ae50d7d32
hex6899d0ef3

28078575347 has 2 divisors, whose sum is σ = 28078575348. Its totient is φ = 28078575346.

The previous prime is 28078575247. The next prime is 28078575361. The reversal of 28078575347 is 74357587082.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28078575347 - 218 = 28078313203 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28078575292 and 28078575301.

It is not a weakly prime, because it can be changed into another prime (28078575367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14039287673 + 14039287674.

It is an arithmetic number, because the mean of its divisors is an integer number (14039287674).

Almost surely, 228078575347 is an apocalyptic number.

28078575347 is a deficient number, since it is larger than the sum of its proper divisors (1).

28078575347 is an equidigital number, since it uses as much as digits as its factorization.

28078575347 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13171200, while the sum is 56.

The spelling of 28078575347 in words is "twenty-eight billion, seventy-eight million, five hundred seventy-five thousand, three hundred forty-seven".