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13020301237 is a prime number
BaseRepresentation
bin11000010000001001…
…00000011110110101
31020121101222211112011
430020010200132311
5203131144114422
65551554124221
7640440506626
oct141004403665
936541884464
1013020301237
115581691039
122634580671
1312c665c278
148b7331a4d
15513112077
hex3081207b5

13020301237 has 2 divisors, whose sum is σ = 13020301238. Its totient is φ = 13020301236.

The previous prime is 13020301213. The next prime is 13020301249. The reversal of 13020301237 is 73210302031.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12942702756 + 77598481 = 113766^2 + 8809^2 .

It is a cyclic number.

It is not a de Polignac number, because 13020301237 - 211 = 13020299189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13020301267) 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, 6510150618 + 6510150619.

It is an arithmetic number, because the mean of its divisors is an integer number (6510150619).

Almost surely, 213020301237 is an apocalyptic number.

It is an amenable number.

13020301237 is a deficient number, since it is larger than the sum of its proper divisors (1).

13020301237 is an equidigital number, since it uses as much as digits as its factorization.

13020301237 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756, while the sum is 22.

Adding to 13020301237 its reverse (73210302031), we get a palindrome (86230603268).

The spelling of 13020301237 in words is "thirteen billion, twenty million, three hundred one thousand, two hundred thirty-seven".