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28080708127 is a prime number
BaseRepresentation
bin11010001001101111…
…011001101000011111
32200110222210202212221
4122021233121220133
5430002130130002
620522231010211
72012603036503
oct321157315037
980428722787
1028080708127
11109aa9116aa
125538209967
132856868534
14150559c303
15ae53a9c37
hex689bd9a1f

28080708127 has 2 divisors, whose sum is σ = 28080708128. Its totient is φ = 28080708126.

The previous prime is 28080708059. The next prime is 28080708143. The reversal of 28080708127 is 72180708082.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-28080708127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28080708197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14040354063 + 14040354064.

It is an arithmetic number, because the mean of its divisors is an integer number (14040354064).

Almost surely, 228080708127 is an apocalyptic number.

28080708127 is a deficient number, since it is larger than the sum of its proper divisors (1).

28080708127 is an equidigital number, since it uses as much as digits as its factorization.

28080708127 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 100352, while the sum is 43.

The spelling of 28080708127 in words is "twenty-eight billion, eighty million, seven hundred eight thousand, one hundred twenty-seven".