Search a number
-
+
74785584941 is a prime number
BaseRepresentation
bin100010110100110010…
…0010111011100101101
321011000221021100021022
41011221210113130231
52211130102204231
654204522343525
75255153661224
oct1055144273455
9234027240238
1074785584941
1129797570951
12125b165aba5
13708aa42912
143896421cbb
151e2a811c7b
hex116991772d

74785584941 has 2 divisors, whose sum is σ = 74785584942. Its totient is φ = 74785584940.

The previous prime is 74785584911. The next prime is 74785584943. The reversal of 74785584941 is 14948558747.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 73576562500 + 1209022441 = 271250^2 + 34771^2 .

It is a cyclic number.

It is not a de Polignac number, because 74785584941 - 26 = 74785584877 is a prime.

It is a Sophie Germain prime.

Together with 74785584943, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74785584943) 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, 37392792470 + 37392792471.

It is an arithmetic number, because the mean of its divisors is an integer number (37392792471).

Almost surely, 274785584941 is an apocalyptic number.

It is an amenable number.

74785584941 is a deficient number, since it is larger than the sum of its proper divisors (1).

74785584941 is an equidigital number, since it uses as much as digits as its factorization.

74785584941 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 45158400, while the sum is 62.

The spelling of 74785584941 in words is "seventy-four billion, seven hundred eighty-five million, five hundred eighty-four thousand, nine hundred forty-one".