| Base | Representation |
|---|---|
| bin | 111101000111011… |
| … | …1000011000000000 |
| 3 | 12021220210102202000 |
| 4 | 1322032320120000 |
| 5 | 13144441040110 |
| 6 | 535254024000 |
| 7 | 101550562146 |
| oct | 17216703000 |
| 9 | 5256712660 |
| 10 | 2050721280 |
| 11 | 962640283 |
| 12 | 492948000 |
| 13 | 268b25b5a |
| 14 | 1564dd596 |
| 15 | c00811c0 |
| hex | 7a3b8600 |
2050721280 has 160 divisors (see below), whose sum is σ = 7284578400. Its totient is φ = 546840576.
The previous prime is 2050721279. The next prime is 2050721287. The reversal of 2050721280 is 821270502.
It is a tau number, because it is divible by the number of its divisors (160).
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2050721287) 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, 54286 + ... + 83954.
It is an arithmetic number, because the mean of its divisors is an integer number (45528615).
Almost surely, 22050721280 is an apocalyptic number.
2050721280 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 2050721280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3642289200).
2050721280 is an abundant number, since it is smaller than the sum of its proper divisors (5233857120).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2050721280 is an equidigital number, since it uses as much as digits as its factorization.
2050721280 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 29701 (or 29679 counting only the distinct ones).
The product of its (nonzero) digits is 2240, while the sum is 27.
The square root of 2050721280 is about 45284.8901952958. The cubic root of 2050721280 is about 1270.4830617374.
Adding to 2050721280 its reverse (821270502), we get a palindrome (2871991782).
The spelling of 2050721280 in words is "two billion, fifty million, seven hundred twenty-one thousand, two hundred eighty".
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