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12443103213 = 34417193901
BaseRepresentation
bin10111001011010101…
…01010111111101101
31012010011220010200120
423211222222333231
5200440413300323
65414414515153
7620231426562
oct134552527755
935104803616
1012443103213
115305897682
1224b3205ab9
131233bb8288
14860802869
154cc5ea5e3
hex2e5aaafed

12443103213 has 8 divisors (see below), whose sum is σ = 16591356576. Its totient is φ = 8295126000.

The previous prime is 12443103203. The next prime is 12443103217. The reversal of 12443103213 is 31230134421.

It is a happy number.

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

It is not a de Polignac number, because 12443103213 - 28 = 12443102957 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12443103217) 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, 85563 + ... + 179463.

It is an arithmetic number, because the mean of its divisors is an integer number (2073919572).

Almost surely, 212443103213 is an apocalyptic number.

It is an amenable number.

12443103213 is a deficient number, since it is larger than the sum of its proper divisors (4148253363).

12443103213 is an equidigital number, since it uses as much as digits as its factorization.

12443103213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138075.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 12443103213 its reverse (31230134421), we get a palindrome (43673237634).

The spelling of 12443103213 in words is "twelve billion, four hundred forty-three million, one hundred three thousand, two hundred thirteen".

Divisors: 1 3 44171 93901 132513 281703 4147701071 12443103213