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13220110237 is a prime number
BaseRepresentation
bin11000100111111101…
…01101111110011101
31021010022222011221111
430103332231332131
5204033322011422
610023452502021
7645415040305
oct142376557635
937108864844
1013220110237
115674453544
12268b47a911
131328b7a649
148d5aa4605
1552592ea77
hex313fadf9d

13220110237 has 2 divisors, whose sum is σ = 13220110238. Its totient is φ = 13220110236.

The previous prime is 13220110229. The next prime is 13220110243. The reversal of 13220110237 is 73201102231.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8705076601 + 4515033636 = 93301^2 + 67194^2 .

It is a cyclic number.

It is not a de Polignac number, because 13220110237 - 23 = 13220110229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13220110207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6610055118 + 6610055119.

It is an arithmetic number, because the mean of its divisors is an integer number (6610055119).

Almost surely, 213220110237 is an apocalyptic number.

It is an amenable number.

13220110237 is a deficient number, since it is larger than the sum of its proper divisors (1).

13220110237 is an equidigital number, since it uses as much as digits as its factorization.

13220110237 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 22.

Adding to 13220110237 its reverse (73201102231), we get a palindrome (86421212468).

The spelling of 13220110237 in words is "thirteen billion, two hundred twenty million, one hundred ten thousand, two hundred thirty-seven".