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19860275983 is a prime number
BaseRepresentation
bin10010011111110000…
…111100001100001111
31220021002121112221011
4102133300330030033
5311133212312413
613042414350051
71302104363152
oct223760741417
956232545834
1019860275983
118471676329
123a231bb327
131b467660c2
14d65913c99
157b386b33d
hex49fc3c30f

19860275983 has 2 divisors, whose sum is σ = 19860275984. Its totient is φ = 19860275982.

The previous prime is 19860275947. The next prime is 19860275989. The reversal of 19860275983 is 38957206891.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 19860275983 - 217 = 19860144911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19860275989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9930137991 + 9930137992.

It is an arithmetic number, because the mean of its divisors is an integer number (9930137992).

Almost surely, 219860275983 is an apocalyptic number.

19860275983 is a deficient number, since it is larger than the sum of its proper divisors (1).

19860275983 is an equidigital number, since it uses as much as digits as its factorization.

19860275983 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6531840, while the sum is 58.

The spelling of 19860275983 in words is "nineteen billion, eight hundred sixty million, two hundred seventy-five thousand, nine hundred eighty-three".