Search a number
-
+
538952643287 is a prime number
BaseRepresentation
bin1111101011111000001…
…01001011001011010111
31220112010112111000102122
413311330011023023113
532312233334041122
61051331425330155
753636514611132
oct7657405131327
91815115430378
10538952643287
11198628797983
128855219695b
133ba91221c26
141c12a677219
15e0456d2142
hex7d7c14b2d7

538952643287 has 2 divisors, whose sum is σ = 538952643288. Its totient is φ = 538952643286.

The previous prime is 538952643269. The next prime is 538952643337. The reversal of 538952643287 is 782346259835.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-538952643287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (538952648287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269476321643 + 269476321644.

It is an arithmetic number, because the mean of its divisors is an integer number (269476321644).

Almost surely, 2538952643287 is an apocalyptic number.

538952643287 is a deficient number, since it is larger than the sum of its proper divisors (1).

538952643287 is an equidigital number, since it uses as much as digits as its factorization.

538952643287 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 87091200, while the sum is 62.

The spelling of 538952643287 in words is "five hundred thirty-eight billion, nine hundred fifty-two million, six hundred forty-three thousand, two hundred eighty-seven".