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19680088973 is a prime number
BaseRepresentation
bin10010010101000001…
…100101001110001101
31212210112120002211012
4102111001211032031
5310301100321343
613012500335005
71264455665456
oct222501451615
955715502735
1019680088973
118389996146
1239929a4465
131b1832807c
14d49a0c12d
157a2b27718
hex49506538d

19680088973 has 2 divisors, whose sum is σ = 19680088974. Its totient is φ = 19680088972.

The previous prime is 19680088963. The next prime is 19680088991. The reversal of 19680088973 is 37988008691.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13568289289 + 6111799684 = 116483^2 + 78178^2 .

It is an emirp because it is prime and its reverse (37988008691) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 19680088973 - 214 = 19680072589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19680088963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9840044486 + 9840044487.

It is an arithmetic number, because the mean of its divisors is an integer number (9840044487).

Almost surely, 219680088973 is an apocalyptic number.

It is an amenable number.

19680088973 is a deficient number, since it is larger than the sum of its proper divisors (1).

19680088973 is an equidigital number, since it uses as much as digits as its factorization.

19680088973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5225472, while the sum is 59.

The spelling of 19680088973 in words is "nineteen billion, six hundred eighty million, eighty-eight thousand, nine hundred seventy-three".