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10530220243 is a prime number
BaseRepresentation
bin10011100111010011…
…00110100011010011
31000011212110121120011
421303221212203103
5133031214021433
64500523055351
7521643252364
oct116351464323
930155417504
1010530220243
114514042364
12205a671557
13cba7c386a
1471c743b6b
154196e53cd
hex273a668d3

10530220243 has 2 divisors, whose sum is σ = 10530220244. Its totient is φ = 10530220242.

The previous prime is 10530220241. The next prime is 10530220271. The reversal of 10530220243 is 34202203501.

It is a weak prime.

It is an emirp because it is prime and its reverse (34202203501) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10530220243 - 21 = 10530220241 is a prime.

It is a super-2 number, since 2×105302202432 (a number of 21 digits) contains 22 as substring.

Together with 10530220241, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (10530220241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5265110121 + 5265110122.

It is an arithmetic number, because the mean of its divisors is an integer number (5265110122).

Almost surely, 210530220243 is an apocalyptic number.

10530220243 is a deficient number, since it is larger than the sum of its proper divisors (1).

10530220243 is an equidigital number, since it uses as much as digits as its factorization.

10530220243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 22.

Adding to 10530220243 its reverse (34202203501), we get a palindrome (44732423744).

The spelling of 10530220243 in words is "ten billion, five hundred thirty million, two hundred twenty thousand, two hundred forty-three".