Search a number
-
+
50205230261 is a prime number
BaseRepresentation
bin101110110000011101…
…110000010010110101
311210120212222221121122
4232300131300102311
51310310014332021
635021452153325
73425063262464
oct566035602265
9153525887548
1050205230261
111a3235a863a
129891768845
134971438854
142603ab49db
15148c8d3bab
hexbb07704b5

50205230261 has 2 divisors, whose sum is σ = 50205230262. Its totient is φ = 50205230260.

The previous prime is 50205230237. The next prime is 50205230281. The reversal of 50205230261 is 16203250205.

50205230261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32911402225 + 17293828036 = 181415^2 + 131506^2 .

It is a cyclic number.

It is not a de Polignac number, because 50205230261 - 210 = 50205229237 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 50205230261.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50205230281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25102615130 + 25102615131.

It is an arithmetic number, because the mean of its divisors is an integer number (25102615131).

Almost surely, 250205230261 is an apocalyptic number.

It is an amenable number.

50205230261 is a deficient number, since it is larger than the sum of its proper divisors (1).

50205230261 is an equidigital number, since it uses as much as digits as its factorization.

50205230261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 50205230261 its reverse (16203250205), we get a palindrome (66408480466).

The spelling of 50205230261 in words is "fifty billion, two hundred five million, two hundred thirty thousand, two hundred sixty-one".