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13230020249 is a prime number
BaseRepresentation
bin11000101001001001…
…00001011010011001
31021011000121122220222
430110210201122121
5204043341121444
610024445125425
7645565213415
oct142444413231
937130548828
1013230020249
11567a002036
122692859875
13132ac3a264
148d7123d45
1552673aeee
hex314921699

13230020249 has 2 divisors, whose sum is σ = 13230020250. Its totient is φ = 13230020248.

The previous prime is 13230020203. The next prime is 13230020281. The reversal of 13230020249 is 94202003231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8753473600 + 4476546649 = 93560^2 + 66907^2 .

It is a cyclic number.

It is not a de Polignac number, because 13230020249 - 224 = 13213243033 is a prime.

It is not a weakly prime, because it can be changed into another prime (13230022249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6615010124 + 6615010125.

It is an arithmetic number, because the mean of its divisors is an integer number (6615010125).

Almost surely, 213230020249 is an apocalyptic number.

It is an amenable number.

13230020249 is a deficient number, since it is larger than the sum of its proper divisors (1).

13230020249 is an equidigital number, since it uses as much as digits as its factorization.

13230020249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 26.

The spelling of 13230020249 in words is "thirteen billion, two hundred thirty million, twenty thousand, two hundred forty-nine".