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4248668393 is a prime number
BaseRepresentation
bin1111110100111101…
…1000100011101001
3101222002121201100122
43331033120203221
532200124342033
61541331413025
7210200041214
oct37517304351
911862551318
104248668393
1118902984a2
129a6a54175
135292b8c88
142c43a477b
1519cee4a98
hexfd3d88e9

4248668393 has 2 divisors, whose sum is σ = 4248668394. Its totient is φ = 4248668392.

The previous prime is 4248668317. The next prime is 4248668443. The reversal of 4248668393 is 3938668424.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2124564649 + 2124103744 = 46093^2 + 46088^2 .

It is a cyclic number.

It is not a de Polignac number, because 4248668393 - 228 = 3980232937 is a prime.

It is a super-2 number, since 2×42486683932 = 36102366227354404898, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4248628393) 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, 2124334196 + 2124334197.

It is an arithmetic number, because the mean of its divisors is an integer number (2124334197).

Almost surely, 24248668393 is an apocalyptic number.

It is an amenable number.

4248668393 is a deficient number, since it is larger than the sum of its proper divisors (1).

4248668393 is an equidigital number, since it uses as much as digits as its factorization.

4248668393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5971968, while the sum is 53.

The square root of 4248668393 is about 65181.8102924428. The cubic root of 4248668393 is about 1619.6367108202.

The spelling of 4248668393 in words is "four billion, two hundred forty-eight million, six hundred sixty-eight thousand, three hundred ninety-three".