| Base | Representation |
|---|---|
| bin | 111011101001001… |
| … | …1010000001000100 |
| 3 | 12011110211021111120 |
| 4 | 1313102122001010 |
| 5 | 13044314020420 |
| 6 | 530331033540 |
| 7 | 100410613200 |
| oct | 16722320104 |
| 9 | 5143737446 |
| 10 | 2001313860 |
| 11 | 9377647a7 |
| 12 | 47a29b8b0 |
| 13 | 25b8173b0 |
| 14 | 14db1bb00 |
| 15 | baa71d40 |
| hex | 7749a044 |
2001313860 has 144 divisors (see below), whose sum is σ = 7020127296. Its totient is φ = 422247168.
The previous prime is 2001313859. The next prime is 2001313861. The reversal of 2001313860 is 683131002.
It is an interprime number because it is at equal distance from previous prime (2001313859) and next prime (2001313861).
It is a self number, because there is not a number n which added to its sum of digits gives 2001313860.
It is not an unprimeable number, because it can be changed into a prime (2001313861) 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, 12039 + ... + 64401.
It is an arithmetic number, because the mean of its divisors is an integer number (48750884).
Almost surely, 22001313860 is an apocalyptic number.
2001313860 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 2001313860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3510063648).
2001313860 is an abundant number, since it is smaller than the sum of its proper divisors (5018813436).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2001313860 is a wasteful number, since it uses less digits than its factorization.
2001313860 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 52402 (or 52393 counting only the distinct ones).
The product of its (nonzero) digits is 864, while the sum is 24.
The square root of 2001313860 is about 44736.0465396754. The cubic root of 2001313860 is about 1260.1968828145.
Adding to 2001313860 its reverse (683131002), we get a palindrome (2684444862).
The spelling of 2001313860 in words is "two billion, one million, three hundred thirteen thousand, eight hundred sixty".
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