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13201105397 is a prime number
BaseRepresentation
bin11000100101101100…
…01110000111110101
31021002000012122012112
430102312032013311
5204013440333042
610021533300405
7645064354514
oct142266160765
937060178175
1013201105397
115664752967
122685034705
131324c5518c
148d335867b
15523e28982
hex312d8e1f5

13201105397 has 2 divisors, whose sum is σ = 13201105398. Its totient is φ = 13201105396.

The previous prime is 13201105373. The next prime is 13201105439. The reversal of 13201105397 is 79350110231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13199482321 + 1623076 = 114889^2 + 1274^2 .

It is a cyclic number.

It is not a de Polignac number, because 13201105397 - 224 = 13184328181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13201105367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6600552698 + 6600552699.

It is an arithmetic number, because the mean of its divisors is an integer number (6600552699).

Almost surely, 213201105397 is an apocalyptic number.

It is an amenable number.

13201105397 is a deficient number, since it is larger than the sum of its proper divisors (1).

13201105397 is an equidigital number, since it uses as much as digits as its factorization.

13201105397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5670, while the sum is 32.

The spelling of 13201105397 in words is "thirteen billion, two hundred one million, one hundred five thousand, three hundred ninety-seven".