Search a number
-
+
50020761811 is a prime number
BaseRepresentation
bin101110100101011110…
…000100000011010011
311210010000212222110211
4232211132010003103
51304420303334221
634551302304551
73420363313546
oct564536040323
9153100788424
1050020761811
111a239463779
12983ba28157
13494215bb17
1425c73b685d
15147b5e66e1
hexba57840d3

50020761811 has 2 divisors, whose sum is σ = 50020761812. Its totient is φ = 50020761810.

The previous prime is 50020761809. The next prime is 50020761841. The reversal of 50020761811 is 11816702005.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 50020761811 - 21 = 50020761809 is a prime.

It is a super-2 number, since 2×500207618112 (a number of 22 digits) contains 22 as substring.

Together with 50020761809, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (50020761841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25010380905 + 25010380906.

It is an arithmetic number, because the mean of its divisors is an integer number (25010380906).

Almost surely, 250020761811 is an apocalyptic number.

50020761811 is a deficient number, since it is larger than the sum of its proper divisors (1).

50020761811 is an equidigital number, since it uses as much as digits as its factorization.

50020761811 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3360, while the sum is 31.

The spelling of 50020761811 in words is "fifty billion, twenty million, seven hundred sixty-one thousand, eight hundred eleven".