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6393246131 is a prime number
BaseRepresentation
bin1011111010001000…
…10011000110110011
3121111120000112221202
411331010103012303
5101043132334011
62534221241415
7314300460356
oct57504230663
917446015852
106393246131
112790903498
1212a510326b
137ab6b419c
1444913629d
1527641523b
hex17d1131b3

6393246131 has 2 divisors, whose sum is σ = 6393246132. Its totient is φ = 6393246130.

The previous prime is 6393246121. The next prime is 6393246143. The reversal of 6393246131 is 1316423936.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-6393246131 is a prime.

It is a super-2 number, since 2×63932461312 = 81747192183092938322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6393246121) 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, 3196623065 + 3196623066.

It is an arithmetic number, because the mean of its divisors is an integer number (3196623066).

Almost surely, 26393246131 is an apocalyptic number.

6393246131 is a deficient number, since it is larger than the sum of its proper divisors (1).

6393246131 is an equidigital number, since it uses as much as digits as its factorization.

6393246131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69984, while the sum is 38.

The square root of 6393246131 is about 79957.7771764573. Note that the first 3 decimals coincide. The cubic root of 6393246131 is about 1855.9822060130.

The spelling of 6393246131 in words is "six billion, three hundred ninety-three million, two hundred forty-six thousand, one hundred thirty-one".