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1208230428253 is a prime number
BaseRepresentation
bin10001100101010000001…
…001010011111001011101
311021111122122201012000111
4101211100021103321131
5124243423442201003
62323015311130021
7153202035121462
oct21452011237135
94244578635014
101208230428253
1142645363a712
121761b5b13911
1389c217a9cb4
144269b655669
1521667550e6d
hex11950253e5d

1208230428253 has 2 divisors, whose sum is σ = 1208230428254. Its totient is φ = 1208230428252.

The previous prime is 1208230428247. The next prime is 1208230428257. The reversal of 1208230428253 is 3528240328021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 930478239769 + 277752188484 = 964613^2 + 527022^2 .

It is an emirp because it is prime and its reverse (3528240328021) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1208230428253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1208230428257) 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, 604115214126 + 604115214127.

It is an arithmetic number, because the mean of its divisors is an integer number (604115214127).

Almost surely, 21208230428253 is an apocalyptic number.

It is an amenable number.

1208230428253 is a deficient number, since it is larger than the sum of its proper divisors (1).

1208230428253 is an equidigital number, since it uses as much as digits as its factorization.

1208230428253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 184320, while the sum is 40.

The spelling of 1208230428253 in words is "one trillion, two hundred eight billion, two hundred thirty million, four hundred twenty-eight thousand, two hundred fifty-three".