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163286310553 is a prime number
BaseRepresentation
bin1001100000010010011…
…1110101111010011001
3120121110201000000120121
42120010213311322121
510133402243414203
6203002424153241
714540246511352
oct2300447657231
9517421000517
10163286310553
11632819579a3
1227790308821
1312523067c92
147c90168d29
1543aa2390bd
hex26049f5e99

163286310553 has 2 divisors, whose sum is σ = 163286310554. Its totient is φ = 163286310552.

The previous prime is 163286310541. The next prime is 163286310611. The reversal of 163286310553 is 355013682361.

It is a happy number.

163286310553 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 86028996249 + 77257314304 = 293307^2 + 277952^2 .

It is a cyclic number.

It is not a de Polignac number, because 163286310553 - 25 = 163286310521 is a prime.

It is not a weakly prime, because it can be changed into another prime (163286310503) 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, 81643155276 + 81643155277.

It is an arithmetic number, because the mean of its divisors is an integer number (81643155277).

Almost surely, 2163286310553 is an apocalyptic number.

It is an amenable number.

163286310553 is a deficient number, since it is larger than the sum of its proper divisors (1).

163286310553 is an equidigital number, since it uses as much as digits as its factorization.

163286310553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 388800, while the sum is 43.

The spelling of 163286310553 in words is "one hundred sixty-three billion, two hundred eighty-six million, three hundred ten thousand, five hundred fifty-three".