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12318428000 = 25533139839
BaseRepresentation
bin10110111100011110…
…00100101101100000
31011210111021222110002
423132033010231200
5200212004144000
65354202355132
7614155624154
oct133617045540
934714258402
1012318428000
11525148230a
1224794bbaa8
131214115368
1484c02b064
154c16be8d5
hex2de3c4b60

12318428000 has 96 divisors (see below), whose sum is σ = 30366161280. Its totient is φ = 4911129600.

The previous prime is 12318427973. The next prime is 12318428069. The reversal of 12318428000 is 82481321.

12318428000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 1247081 + ... + 1256919.

It is an arithmetic number, because the mean of its divisors is an integer number (316314180).

Almost surely, 212318428000 is an apocalyptic number.

12318428000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12318428000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15183080640).

12318428000 is an abundant number, since it is smaller than the sum of its proper divisors (18047733280).

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

12318428000 is an equidigital number, since it uses as much as digits as its factorization.

12318428000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10177 (or 10159 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 29.

The spelling of 12318428000 in words is "twelve billion, three hundred eighteen million, four hundred twenty-eight thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 125 160 200 250 313 400 500 626 800 1000 1252 1565 2000 2504 3130 4000 5008 6260 7825 9839 10016 12520 15650 19678 25040 31300 39125 39356 49195 50080 62600 78250 78712 98390 125200 156500 157424 196780 245975 250400 313000 314848 393560 491950 626000 787120 983900 1229875 1252000 1574240 1967800 2459750 3079607 3935600 4919500 6159214 7871200 9839000 12318428 15398035 19678000 24636856 30796070 39356000 49273712 61592140 76990175 98547424 123184280 153980350 246368560 307960700 384950875 492737120 615921400 769901750 1231842800 1539803500 2463685600 3079607000 6159214000 12318428000