Search a number
-
+
204242432293 is a prime number
BaseRepresentation
bin1011111000110111001…
…1000011000100100101
3201112012000011120112101
42332031303003010211
511321242030313133
6233454440052101
720520214013164
oct2761563030445
9645160146471
10204242432293
117968958a399
1233700464031
131634c233843
149c577013db
1554a5b3637d
hex2f8dcc3125

204242432293 has 2 divisors, whose sum is σ = 204242432294. Its totient is φ = 204242432292.

The previous prime is 204242432209. The next prime is 204242432327. The reversal of 204242432293 is 392234242402.

It is a happy number.

204242432293 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., 133197261444 + 71045170849 = 364962^2 + 266543^2 .

It is a cyclic number.

It is not a de Polignac number, because 204242432293 - 213 = 204242424101 is a prime.

It is a super-2 number, since 2×2042424322932 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204242432593) 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, 102121216146 + 102121216147.

It is an arithmetic number, because the mean of its divisors is an integer number (102121216147).

Almost surely, 2204242432293 is an apocalyptic number.

It is an amenable number.

204242432293 is a deficient number, since it is larger than the sum of its proper divisors (1).

204242432293 is an equidigital number, since it uses as much as digits as its factorization.

204242432293 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 165888, while the sum is 37.

Adding to 204242432293 its reverse (392234242402), we get a palindrome (596476674695).

The spelling of 204242432293 in words is "two hundred four billion, two hundred forty-two million, four hundred thirty-two thousand, two hundred ninety-three".