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4242903893 is a prime number
BaseRepresentation
bin1111110011100101…
…1001001101010101
3101221200202211221122
43330321121031111
532142140411033
61541004053325
7210100042124
oct37471311525
911850684848
104242903893
111888010548
129a4b34245
1352804b227
142c3703abb
1519c756a98
hexfce59355

4242903893 has 2 divisors, whose sum is σ = 4242903894. Its totient is φ = 4242903892.

The previous prime is 4242903887. The next prime is 4242903919. The reversal of 4242903893 is 3983092424.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3894633649 + 348270244 = 62407^2 + 18662^2 .

It is a cyclic number.

It is not a de Polignac number, because 4242903893 - 26 = 4242903829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4242903193) 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, 2121451946 + 2121451947.

It is an arithmetic number, because the mean of its divisors is an integer number (2121451947).

Almost surely, 24242903893 is an apocalyptic number.

It is an amenable number.

4242903893 is a deficient number, since it is larger than the sum of its proper divisors (1).

4242903893 is an equidigital number, since it uses as much as digits as its factorization.

4242903893 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 373248, while the sum is 44.

The square root of 4242903893 is about 65137.5766589455. The cubic root of 4242903893 is about 1618.9038834483.

The spelling of 4242903893 in words is "four billion, two hundred forty-two million, nine hundred three thousand, eight hundred ninety-three".