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4242987533 is a prime number
BaseRepresentation
bin1111110011100110…
…1101101000001101
3101221200221002200102
43330321231220031
532142201100113
61541005540445
7210100541021
oct37471555015
911850832612
104242987533
111888068374
129a4b74725
1352807a315
142c3726381
1519c771758
hexfce6da0d

4242987533 has 2 divisors, whose sum is σ = 4242987534. Its totient is φ = 4242987532.

The previous prime is 4242987521. The next prime is 4242987559. The reversal of 4242987533 is 3357892424.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4207727689 + 35259844 = 64867^2 + 5938^2 .

It is a cyclic number.

It is not a de Polignac number, because 4242987533 - 28 = 4242987277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4242987433) 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, 2121493766 + 2121493767.

It is an arithmetic number, because the mean of its divisors is an integer number (2121493767).

Almost surely, 24242987533 is an apocalyptic number.

It is an amenable number.

4242987533 is a deficient number, since it is larger than the sum of its proper divisors (1).

4242987533 is an equidigital number, since it uses as much as digits as its factorization.

4242987533 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1451520, while the sum is 47.

The square root of 4242987533 is about 65138.2186815083. The cubic root of 4242987533 is about 1618.9145211495.

The spelling of 4242987533 in words is "four billion, two hundred forty-two million, nine hundred eighty-seven thousand, five hundred thirty-three".