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13021230253 is a prime number
BaseRepresentation
bin11000010000010000…
…00011010010101101
31020121110202000220011
430020020003102231
5203131413332003
65552030053221
7640451426263
oct141010032255
936543660804
1013021230253
115582166019
12263494a211
1312c68c6095
148b74d4433
1551324746d
hex3082034ad

13021230253 has 2 divisors, whose sum is σ = 13021230254. Its totient is φ = 13021230252.

The previous prime is 13021230199. The next prime is 13021230269. The reversal of 13021230253 is 35203212031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8663514084 + 4357716169 = 93078^2 + 66013^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13021230253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13021230293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6510615126 + 6510615127.

It is an arithmetic number, because the mean of its divisors is an integer number (6510615127).

Almost surely, 213021230253 is an apocalyptic number.

It is an amenable number.

13021230253 is a deficient number, since it is larger than the sum of its proper divisors (1).

13021230253 is an equidigital number, since it uses as much as digits as its factorization.

13021230253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 22.

Adding to 13021230253 its reverse (35203212031), we get a palindrome (48224442284).

The spelling of 13021230253 in words is "thirteen billion, twenty-one million, two hundred thirty thousand, two hundred fifty-three".