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213221003053 is a prime number
BaseRepresentation
bin1100011010010011110…
…1100100111100101101
3202101100201221020011011
43012210331210330231
511443134034044203
6241541414025221
721255546423262
oct3064475447455
9671321836134
10213221003053
1182476774503
12353a7348211
131715041ccc6
14a469d39269
15582decd76d
hex31a4f64f2d

213221003053 has 2 divisors, whose sum is σ = 213221003054. Its totient is φ = 213221003052.

The previous prime is 213221003027. The next prime is 213221003101. The reversal of 213221003053 is 350300122312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 207146047689 + 6074955364 = 455133^2 + 77942^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-213221003053 is a prime.

It is a super-2 number, since 2×2132210030532 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213221003753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106610501526 + 106610501527.

It is an arithmetic number, because the mean of its divisors is an integer number (106610501527).

Almost surely, 2213221003053 is an apocalyptic number.

It is an amenable number.

213221003053 is a deficient number, since it is larger than the sum of its proper divisors (1).

213221003053 is an equidigital number, since it uses as much as digits as its factorization.

213221003053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 22.

Adding to 213221003053 its reverse (350300122312), we get a palindrome (563521125365).

The spelling of 213221003053 in words is "two hundred thirteen billion, two hundred twenty-one million, three thousand, fifty-three".