| Base | Representation |
|---|---|
| bin | 1000101001011001… |
| … | …1010011011000000 |
| 3 | 12222202121200102020 |
| 4 | 2022112122123000 |
| 5 | 14223202144300 |
| 6 | 1022153521440 |
| 7 | 111343201233 |
| oct | 21226323300 |
| 9 | 5882550366 |
| 10 | 2321131200 |
| 11 | a91244253 |
| 12 | 549413280 |
| 13 | 2acb6341b |
| 14 | 1803ad41a |
| 15 | d8b978a0 |
| hex | 8a59a6c0 |
2321131200 has 336 divisors, whose sum is σ = 8284707840. Its totient is φ = 566784000.
The previous prime is 2321131199. The next prime is 2321131201. The reversal of 2321131200 is 21311232.
It is an interprime number because it is at equal distance from previous prime (2321131199) and next prime (2321131201).
It is a super-2 number, since 2×23211312002 = 10775300095226880000, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a self number, because there is not a number n which added to its sum of digits gives 2321131200.
It is not an unprimeable number, because it can be changed into a prime (2321131201) 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 47 ways as a sum of consecutive naturals, for example, 2826790 + ... + 2827610.
Almost surely, 22321131200 is an apocalyptic number.
2321131200 is a gapful number since it is divisible by the number (20) 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 2321131200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4142353920).
2321131200 is an abundant number, since it is smaller than the sum of its proper divisors (5963576640).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2321131200 is a wasteful number, since it uses less digits than its factorization.
2321131200 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 896 (or 881 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 15.
The square root of 2321131200 is about 48178.1195149831. The cubic root of 2321131200 is about 1324.0363136293.
Adding to 2321131200 its reverse (21311232), we get a palindrome (2342442432).
The spelling of 2321131200 in words is "two billion, three hundred twenty-one million, one hundred thirty-one thousand, two hundred".
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