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12310030223 = 73433389447
BaseRepresentation
bin10110111011011110…
…00010011110001111
31011202220111022212022
423131233002132033
5200202331431343
65353302400355
7614024346641
oct133557023617
934686438768
1012310030223
1152477669a7
1224767300bb
131212464b6a
1484ac82891
154c0ab1568
hex2ddbc278f

12310030223 has 8 divisors (see below), whose sum is σ = 12507511968. Its totient is φ = 12113328384.

The previous prime is 12310030207. The next prime is 12310030237. The reversal of 12310030223 is 32203001321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12310030223 - 24 = 12310030207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12310030423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163115 + ... + 226332.

It is an arithmetic number, because the mean of its divisors is an integer number (1563438996).

Almost surely, 212310030223 is an apocalyptic number.

12310030223 is a deficient number, since it is larger than the sum of its proper divisors (197481745).

12310030223 is an equidigital number, since it uses as much as digits as its factorization.

12310030223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389953.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 12310030223 its reverse (32203001321), we get a palindrome (44513031544).

The spelling of 12310030223 in words is "twelve billion, three hundred ten million, thirty thousand, two hundred twenty-three".

Divisors: 1 73 433 31609 389447 28429631 168630551 12310030223