Search a number
-
+
503246320481 is a prime number
BaseRepresentation
bin1110101001010111101…
…00010111001101100001
31210002222002201212202102
413110223310113031201
531221122024223411
61023104351100145
751233625100502
oct7245364271541
91702862655672
10503246320481
11184475479093
1281648211655
13385c0886c78
141a500428ba9
15d155b30d3b
hex752bd17361

503246320481 has 2 divisors, whose sum is σ = 503246320482. Its totient is φ = 503246320480.

The previous prime is 503246320433. The next prime is 503246320483. The reversal of 503246320481 is 184023642305.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 360139213456 + 143107107025 = 600116^2 + 378295^2 .

It is a cyclic number.

It is not a de Polignac number, because 503246320481 - 230 = 502172578657 is a prime.

It is a super-2 number, since 2×5032463204812 (a number of 24 digits) contains 22 as substring.

Together with 503246320483, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (503246320483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251623160240 + 251623160241.

It is an arithmetic number, because the mean of its divisors is an integer number (251623160241).

Almost surely, 2503246320481 is an apocalyptic number.

It is an amenable number.

503246320481 is a deficient number, since it is larger than the sum of its proper divisors (1).

503246320481 is an equidigital number, since it uses as much as digits as its factorization.

503246320481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 138240, while the sum is 38.

Adding to 503246320481 its reverse (184023642305), we get a palindrome (687269962786).

The spelling of 503246320481 in words is "five hundred three billion, two hundred forty-six million, three hundred twenty thousand, four hundred eighty-one".