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12444201442223 = 21730995726477
BaseRepresentation
bin1011010100010110010000…
…1101001101101110101111
31122001122122210110101111222
42311011210031031232233
53112341211032122343
642244442012333555
72423030624663015
oct265054415155657
948048583411458
1012444201442223
113a68613326a41
12148b929a742bb
136c3638672765
1431043433c8b5
15168a800b7a68
hexb516434dbaf

12444201442223 has 4 divisors (see below), whose sum is σ = 12444209341800. Its totient is φ = 12444193542648.

The previous prime is 12444201442213. The next prime is 12444201442261. The reversal of 12444201442223 is 32224410244421.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 12444201442223 - 218 = 12444201180079 is a prime.

It is a super-3 number, since 3×124442014422233 (a number of 40 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12444201442213) 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, 690140 + ... + 5036337.

It is an arithmetic number, because the mean of its divisors is an integer number (3111052335450).

Almost surely, 212444201442223 is an apocalyptic number.

12444201442223 is a deficient number, since it is larger than the sum of its proper divisors (7899577).

12444201442223 is an equidigital number, since it uses as much as digits as its factorization.

12444201442223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7899576.

The product of its (nonzero) digits is 98304, while the sum is 35.

Adding to 12444201442223 its reverse (32224410244421), we get a palindrome (44668611686644).

The spelling of 12444201442223 in words is "twelve trillion, four hundred forty-four billion, two hundred one million, four hundred forty-two thousand, two hundred twenty-three".

Divisors: 1 2173099 5726477 12444201442223