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13220222429 is a prime number
BaseRepresentation
bin11000100111111110…
…01001010111011101
31021010100011212211202
430103333021113131
5204033334104204
610023455125245
7645416015351
oct142377112735
937110155752
1013220222429
11567451a867
12268b513825
131328bb972b
148d5ad3461
15525952e1e
hex313fc95dd

13220222429 has 2 divisors, whose sum is σ = 13220222430. Its totient is φ = 13220222428.

The previous prime is 13220222423. The next prime is 13220222437. The reversal of 13220222429 is 92422202231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12276196804 + 944025625 = 110798^2 + 30725^2 .

It is an emirp because it is prime and its reverse (92422202231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13220222429 - 24 = 13220222413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13220222423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6610111214 + 6610111215.

It is an arithmetic number, because the mean of its divisors is an integer number (6610111215).

Almost surely, 213220222429 is an apocalyptic number.

It is an amenable number.

13220222429 is a deficient number, since it is larger than the sum of its proper divisors (1).

13220222429 is an equidigital number, since it uses as much as digits as its factorization.

13220222429 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 29.

The spelling of 13220222429 in words is "thirteen billion, two hundred twenty million, two hundred twenty-two thousand, four hundred twenty-nine".