Search a number
-
+
287146473613 is a prime number
BaseRepresentation
bin1000010110110110100…
…00110111100010001101
31000110011201202020022021
410023123100313202031
514201033444123423
6335525133250141
726513520516436
oct4133320674215
91013151666267
10287146473613
1110086177571a
1247798933951
1321101bc29ac
14dc8002448d
15770904195d
hex42db43788d

287146473613 has 2 divisors, whose sum is σ = 287146473614. Its totient is φ = 287146473612.

The previous prime is 287146473599. The next prime is 287146473619. The reversal of 287146473613 is 316374641782.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 257817171049 + 29329302564 = 507757^2 + 171258^2 .

It is a cyclic number.

It is not a de Polignac number, because 287146473613 - 29 = 287146473101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (287146473619) 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, 143573236806 + 143573236807.

It is an arithmetic number, because the mean of its divisors is an integer number (143573236807).

Almost surely, 2287146473613 is an apocalyptic number.

It is an amenable number.

287146473613 is a deficient number, since it is larger than the sum of its proper divisors (1).

287146473613 is an equidigital number, since it uses as much as digits as its factorization.

287146473613 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4064256, while the sum is 52.

The spelling of 287146473613 in words is "two hundred eighty-seven billion, one hundred forty-six million, four hundred seventy-three thousand, six hundred thirteen".