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13030321849 is a prime number
BaseRepresentation
bin11000010001010101…
…01110111010111001
31020122002211221012221
430020222232322321
5203141230244344
65552553004041
7640621623346
oct141052567271
936562757187
1013030321849
115587305736
1226379b3621
1312c875a31c
148b87bd7cd
15513e41184
hex308aaeeb9

13030321849 has 2 divisors, whose sum is σ = 13030321850. Its totient is φ = 13030321848.

The previous prime is 13030321831. The next prime is 13030321907. The reversal of 13030321849 is 94812303031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8444323449 + 4585998400 = 91893^2 + 67720^2 .

It is a cyclic number.

It is not a de Polignac number, because 13030321849 - 233 = 4440387257 is a prime.

It is not a weakly prime, because it can be changed into another prime (13030321819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6515160924 + 6515160925.

It is an arithmetic number, because the mean of its divisors is an integer number (6515160925).

Almost surely, 213030321849 is an apocalyptic number.

It is an amenable number.

13030321849 is a deficient number, since it is larger than the sum of its proper divisors (1).

13030321849 is an equidigital number, since it uses as much as digits as its factorization.

13030321849 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 34.

The spelling of 13030321849 in words is "thirteen billion, thirty million, three hundred twenty-one thousand, eight hundred forty-nine".