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12234122243 = 71747731749
BaseRepresentation
bin10110110010011010…
…11110010000000011
31011120121122210200122
423121031132100003
5200023413402433
65341551410455
7612113215610
oct133115362003
934517583618
1012234122243
115208930132
122455223a2b
1311cc8081b5
14840b63507
154b90ba198
hex2d935e403

12234122243 has 4 divisors (see below), whose sum is σ = 13981854000. Its totient is φ = 10486390488.

The previous prime is 12234122209. The next prime is 12234122269. The reversal of 12234122243 is 34222143221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34222143221 = 74888877603.

It is not a de Polignac number, because 12234122243 - 210 = 12234121219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12234122203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 873865868 + ... + 873865881.

It is an arithmetic number, because the mean of its divisors is an integer number (3495463500).

Almost surely, 212234122243 is an apocalyptic number.

12234122243 is a deficient number, since it is larger than the sum of its proper divisors (1747731757).

12234122243 is an equidigital number, since it uses as much as digits as its factorization.

12234122243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1747731756.

The product of its digits is 4608, while the sum is 26.

Adding to 12234122243 its reverse (34222143221), we get a palindrome (46456265464).

The spelling of 12234122243 in words is "twelve billion, two hundred thirty-four million, one hundred twenty-two thousand, two hundred forty-three".

Divisors: 1 7 1747731749 12234122243