Search a number
-
+
387085554241 is a prime number
BaseRepresentation
bin1011010001000000001…
…10001101001001000001
31101000010122202112212221
411220200012031021001
522320222400213431
6453454042451041
736652224631441
oct5504006151101
91330118675787
10387085554241
1113a186782131
126302a203a81
132a66abc2b69
1414a40d48121
15a107c46111
hex5a2018d241

387085554241 has 2 divisors, whose sum is σ = 387085554242. Its totient is φ = 387085554240.

The previous prime is 387085554197. The next prime is 387085554259. The reversal of 387085554241 is 142455580783.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 212963790400 + 174121763841 = 461480^2 + 417279^2 .

It is an emirp because it is prime and its reverse (142455580783) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 387085554241 - 235 = 352725815873 is a prime.

It is not a weakly prime, because it can be changed into another prime (387085584241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 193542777120 + 193542777121.

It is an arithmetic number, because the mean of its divisors is an integer number (193542777121).

Almost surely, 2387085554241 is an apocalyptic number.

It is an amenable number.

387085554241 is a deficient number, since it is larger than the sum of its proper divisors (1).

387085554241 is an equidigital number, since it uses as much as digits as its factorization.

387085554241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5376000, while the sum is 52.

The spelling of 387085554241 in words is "three hundred eighty-seven billion, eighty-five million, five hundred fifty-four thousand, two hundred forty-one".