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104689478587 is a prime number
BaseRepresentation
bin110000101111111111…
…0101010101110111011
3101000012222201112111211
41201133332222232323
53203401001303322
6120032122503551
710364205612511
oct1413776525673
9330188645454
10104689478587
1140442532841
1218358364bb7
139b45228545
1450d1bb04b1
152acaca4b77
hex185ffaabbb

104689478587 has 2 divisors, whose sum is σ = 104689478588. Its totient is φ = 104689478586.

The previous prime is 104689478539. The next prime is 104689478599. The reversal of 104689478587 is 785874986401.

It is a strong prime.

It is an emirp because it is prime and its reverse (785874986401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 104689478587 - 231 = 102541994939 is a prime.

It is not a weakly prime, because it can be changed into another prime (104689478527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52344739293 + 52344739294.

It is an arithmetic number, because the mean of its divisors is an integer number (52344739294).

Almost surely, 2104689478587 is an apocalyptic number.

104689478587 is a deficient number, since it is larger than the sum of its proper divisors (1).

104689478587 is an equidigital number, since it uses as much as digits as its factorization.

104689478587 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108380160, while the sum is 67.

The spelling of 104689478587 in words is "one hundred four billion, six hundred eighty-nine million, four hundred seventy-eight thousand, five hundred eighty-seven".