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12323244140 = 225734983843
BaseRepresentation
bin10110111101000010…
…11100100001101100
31011210211100122221122
423132201130201230
5200214222303030
65354453520112
7614244563324
oct133641344154
934724318848
1012323244140
115254171799
12247b043038
13121511054c
1484c922284
154c1d218e5
hex2de85c86c

12323244140 has 24 divisors (see below), whose sum is σ = 25882642800. Its totient is φ = 4928568128.

The previous prime is 12323244133. The next prime is 12323244151. The reversal of 12323244140 is 4144232321.

12323244140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×123232441402 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105059 + ... + 188901.

It is an arithmetic number, because the mean of its divisors is an integer number (1078443450).

Almost surely, 212323244140 is an apocalyptic number.

12323244140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12323244140 is an abundant number, since it is smaller than the sum of its proper divisors (13559398660).

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

12323244140 is a wasteful number, since it uses less digits than its factorization.

12323244140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91201 (or 91199 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 12323244140 its reverse (4144232321), we get a palindrome (16467476461).

The spelling of 12323244140 in words is "twelve billion, three hundred twenty-three million, two hundred forty-four thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 7349 14698 29396 36745 73490 83843 146980 167686 335372 419215 838430 1676860 616162207 1232324414 2464648828 3080811035 6161622070 12323244140