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12203044243 = 132340812857
BaseRepresentation
bin10110101110101101…
…11010110110010011
31011111110011212200121
423113112322312103
5144442434403433
65334521331111
7611255110315
oct132726726623
934443155617
1012203044243
1151a2333835
122446936a97
1311c6246650
1483a9937b5
154b64cbc2d
hex2d75bad93

12203044243 has 8 divisors (see below), whose sum is σ = 13713120288. Its totient is φ = 10774593984.

The previous prime is 12203044223. The next prime is 12203044247. The reversal of 12203044243 is 34244030221.

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 12203044243 - 25 = 12203044211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12203044247) 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, 20406130 + ... + 20406727.

It is an arithmetic number, because the mean of its divisors is an integer number (1714140036).

Almost surely, 212203044243 is an apocalyptic number.

12203044243 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12203044243 is a deficient number, since it is larger than the sum of its proper divisors (1510076045).

12203044243 is a wasteful number, since it uses less digits than its factorization.

12203044243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40812893.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 12203044243 its reverse (34244030221), we get a palindrome (46447074464).

The spelling of 12203044243 in words is "twelve billion, two hundred three million, forty-four thousand, two hundred forty-three".

Divisors: 1 13 23 299 40812857 530567141 938695711 12203044243