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28028627047 is a prime number
BaseRepresentation
bin11010000110101000…
…101110100001100111
32200100100210210002001
4122012220232201213
5424400312031142
620513130430131
72011401253561
oct320650564147
980310723061
1028028627047
111098347a393
125522892347
132848b31b25
1414dc6c2331
15ae0a1d5b7
hex686a2e867

28028627047 has 2 divisors, whose sum is σ = 28028627048. Its totient is φ = 28028627046.

The previous prime is 28028626987. The next prime is 28028627069. The reversal of 28028627047 is 74072682082.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28028627047 - 223 = 28020238439 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28028626988 and 28028627006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28028625047) 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 as a sum of consecutive naturals, namely, 14014313523 + 14014313524.

It is an arithmetic number, because the mean of its divisors is an integer number (14014313524).

Almost surely, 228028627047 is an apocalyptic number.

28028627047 is a deficient number, since it is larger than the sum of its proper divisors (1).

28028627047 is an equidigital number, since it uses as much as digits as its factorization.

28028627047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 602112, while the sum is 46.

The spelling of 28028627047 in words is "twenty-eight billion, twenty-eight million, six hundred twenty-seven thousand, forty-seven".