Search a number
-
+
18424266079577 is a prime number
BaseRepresentation
bin1000011000001101110111…
…10101011011110101011001
32102020100020210002120221112
410030012323311123311121
54403330344104021302
6103103554015350105
73611052326500331
oct414067365336531
972210223076845
1018424266079577
115963761978376
1220968b5522335
13a38529839587
14479a4c6700c1
1521e3cdd01552
hex10c1bbd5bd59

18424266079577 has 2 divisors, whose sum is σ = 18424266079578. Its totient is φ = 18424266079576.

The previous prime is 18424266079543. The next prime is 18424266079589. The reversal of 18424266079577 is 77597066242481.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18388522017856 + 35744061721 = 4288184^2 + 189061^2 .

It is a cyclic number.

It is not a de Polignac number, because 18424266079577 - 220 = 18424265031001 is a prime.

It is not a weakly prime, because it can be changed into another prime (18424266072577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9212133039788 + 9212133039789.

It is an arithmetic number, because the mean of its divisors is an integer number (9212133039789).

Almost surely, 218424266079577 is an apocalyptic number.

It is an amenable number.

18424266079577 is a deficient number, since it is larger than the sum of its proper divisors (1).

18424266079577 is an equidigital number, since it uses as much as digits as its factorization.

18424266079577 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 284497920, while the sum is 68.

The spelling of 18424266079577 in words is "eighteen trillion, four hundred twenty-four billion, two hundred sixty-six million, seventy-nine thousand, five hundred seventy-seven".