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12242341305 = 325272052029
BaseRepresentation
bin10110110011011001…
…10100110110111001
31011121012010101010100
423121230310312321
5200033014410210
65342443510013
7612243120105
oct133154646671
934535111110
1012242341305
115212534247
122457b28309
13120142524c
14841ca2905
154b9b905c0
hex2d9b34db9

12242341305 has 12 divisors (see below), whose sum is σ = 21220058340. Its totient is φ = 6529248672.

The previous prime is 12242341253. The next prime is 12242341337. The reversal of 12242341305 is 50314324221.

12242341305 is a `hidden beast` number, since 1 + 2 + 242 + 3 + 413 + 0 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 4480026489 + 7762314816 = 66933^2 + 88104^2 .

It is not a de Polignac number, because 12242341305 - 28 = 12242341049 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 136025970 + ... + 136026059.

It is an arithmetic number, because the mean of its divisors is an integer number (1768338195).

Almost surely, 212242341305 is an apocalyptic number.

12242341305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12242341305 is a deficient number, since it is larger than the sum of its proper divisors (8977717035).

12242341305 is a wasteful number, since it uses less digits than its factorization.

12242341305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272052040 (or 272052037 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 12242341305 its reverse (50314324221), we get a palindrome (62556665526).

The spelling of 12242341305 in words is "twelve billion, two hundred forty-two million, three hundred forty-one thousand, three hundred five".

Divisors: 1 3 5 9 15 45 272052029 816156087 1360260145 2448468261 4080780435 12242341305