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12335243420 = 2251639294073
BaseRepresentation
bin10110111110011110…
…01110000010011100
31011211122221021212102
423133033032002130
5200230310242140
65400003024232
7614451560543
oct133717160234
934748837772
1012335243420
11525aa17a55
12248306b078
131217752106
1485036715a
154c2de1e15
hex2df3ce09c

12335243420 has 48 divisors (see below), whose sum is σ = 26097392160. Its totient is φ = 4897345536.

The previous prime is 12335243407. The next prime is 12335243491. The reversal of 12335243420 is 2434253321.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3026504 + ... + 3030576.

It is an arithmetic number, because the mean of its divisors is an integer number (543695670).

Almost surely, 212335243420 is an apocalyptic number.

12335243420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12335243420 is an abundant number, since it is smaller than the sum of its proper divisors (13762148740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12335243420 is a wasteful number, since it uses less digits than its factorization.

12335243420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5174 (or 5172 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 29.

Adding to 12335243420 its reverse (2434253321), we get a palindrome (14769496741).

Subtracting from 12335243420 its reverse (2434253321), we obtain a palindrome (9900990099).

The spelling of 12335243420 in words is "twelve billion, three hundred thirty-five million, two hundred forty-three thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 163 326 652 815 929 1630 1858 3260 3716 4073 4645 8146 9290 16292 18580 20365 40730 81460 151427 302854 605708 663899 757135 1327798 1514270 2655596 3028540 3319495 3783817 6638990 7567634 13277980 15135268 18919085 37838170 75676340 616762171 1233524342 2467048684 3083810855 6167621710 12335243420