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12345343225 = 5237831131423
BaseRepresentation
bin10110111111101011…
…01111110011111001
31011212100221102012021
423133311233303321
5200240401440400
65401003314441
7614633454205
oct133765576371
934770842167
1012345343225
1152656960a6
12248651ba21
13121987a227
14851835b05
154c3c3971a
hex2dfd6fcf9

12345343225 has 48 divisors (see below), whose sum is σ = 16063471872. Its totient is φ = 9402946560.

The previous prime is 12345343223. The next prime is 12345343261. The reversal of 12345343225 is 52234354321.

It is not a de Polignac number, because 12345343225 - 21 = 12345343223 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12345343223) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8674864 + ... + 8676286.

It is an arithmetic number, because the mean of its divisors is an integer number (334655664).

Almost surely, 212345343225 is an apocalyptic number.

It is an amenable number.

12345343225 is a deficient number, since it is larger than the sum of its proper divisors (3718128647).

12345343225 is a wasteful number, since it uses less digits than its factorization.

12345343225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1666 (or 1661 counting only the distinct ones).

The product of its digits is 86400, while the sum is 34.

Adding to 12345343225 its reverse (52234354321), we get a palindrome (64579697546).

The spelling of 12345343225 in words is "twelve billion, three hundred forty-five million, three hundred forty-three thousand, two hundred twenty-five".

Divisors: 1 5 25 37 83 113 185 415 565 925 1423 2075 2825 3071 4181 7115 9379 15355 20905 35575 46895 52651 76775 104525 118109 160799 234475 263255 347023 590545 803995 1316275 1735115 2952725 4019975 4370033 5949563 8675575 13346317 21850165 29747815 66731585 109250825 148739075 333657925 493813729 2469068645 12345343225