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104423445689 is a prime number
BaseRepresentation
bin110000101000000011…
…1110101010010111001
3100222112110010122222112
41201100013311102321
53202324400230224
6115545500502105
710354465433423
oct1412007652271
9328473118875
10104423445689
1140316349342
12182a324a935
139b02091324
1450a871d813
152ab275530e
hex18501f54b9

104423445689 has 2 divisors, whose sum is σ = 104423445690. Its totient is φ = 104423445688.

The previous prime is 104423445673. The next prime is 104423445743. The reversal of 104423445689 is 986544324401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67843058089 + 36580387600 = 260467^2 + 191260^2 .

It is an emirp because it is prime and its reverse (986544324401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 104423445689 - 24 = 104423445673 is a prime.

It is not a weakly prime, because it can be changed into another prime (104423445089) 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, 52211722844 + 52211722845.

It is an arithmetic number, because the mean of its divisors is an integer number (52211722845).

Almost surely, 2104423445689 is an apocalyptic number.

It is an amenable number.

104423445689 is a deficient number, since it is larger than the sum of its proper divisors (1).

104423445689 is an equidigital number, since it uses as much as digits as its factorization.

104423445689 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3317760, while the sum is 50.

The spelling of 104423445689 in words is "one hundred four billion, four hundred twenty-three million, four hundred forty-five thousand, six hundred eighty-nine".