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4320231312 = 2432322717239
BaseRepresentation
bin1000000011000000…
…10111111110010000
3102011002021111020010
410001200113332100
532321434400222
61552405314520
7212026234365
oct40140277620
912132244203
104320231312
111917726801
12a06a05a40
1353b083cb7
142cdab246c
151a442d80c
hex101817f90

4320231312 has 80 divisors (see below), whose sum is σ = 11697822720. Its totient is φ = 1371317376.

The previous prime is 4320231283. The next prime is 4320231319. The reversal of 4320231312 is 2131320234.

It is not an unprimeable number, because it can be changed into a prime (4320231319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 241989 + ... + 259227.

It is an arithmetic number, because the mean of its divisors is an integer number (146222784).

Almost surely, 24320231312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4320231312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5848911360).

4320231312 is an abundant number, since it is smaller than the sum of its proper divisors (7377591408).

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

4320231312 is a wasteful number, since it uses less digits than its factorization.

4320231312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17500 (or 17494 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 4320231312 is about 65728.4665270688. The cubic root of 4320231312 is about 1628.6796378348.

Adding to 4320231312 its reverse (2131320234), we get a palindrome (6451551546).

The spelling of 4320231312 in words is "four billion, three hundred twenty million, two hundred thirty-one thousand, three hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 23 24 46 48 69 92 138 184 227 276 368 454 552 681 908 1104 1362 1816 2724 3632 5221 5448 10442 10896 15663 17239 20884 31326 34478 41768 51717 62652 68956 83536 103434 125304 137912 206868 250608 275824 396497 413736 792994 827472 1189491 1585988 2378982 3171976 3913253 4757964 6343952 7826506 9515928 11739759 15653012 19031856 23479518 31306024 46959036 62612048 90004819 93918072 180009638 187836144 270014457 360019276 540028914 720038552 1080057828 1440077104 2160115656 4320231312