Base | Representation |
---|---|
bin | 10110010110111001… |
… | …00100110100000001 |
3 | 1010222112010202021111 |
4 | 23023130210310001 |
5 | 144040304402012 |
6 | 5303022123321 |
7 | 603310342636 |
oct | 131334446401 |
9 | 33875122244 |
10 | 12003200257 |
11 | 50aa548014 |
12 | 23aba20541 |
13 | 1193a15379 |
14 | 81c21218d |
15 | 4a3ba3ba7 |
hex | 2cb724d01 |
12003200257 has 2 divisors, whose sum is σ = 12003200258. Its totient is φ = 12003200256.
The previous prime is 12003200249. The next prime is 12003200351. The reversal of 12003200257 is 75200230021.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 11968578801 + 34621456 = 109401^2 + 5884^2 .
It is a cyclic number.
It is not a de Polignac number, because 12003200257 - 23 = 12003200249 is a prime.
It is not a weakly prime, because it can be changed into another prime (12003200207) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6001600128 + 6001600129.
It is an arithmetic number, because the mean of its divisors is an integer number (6001600129).
Almost surely, 212003200257 is an apocalyptic number.
It is an amenable number.
12003200257 is a deficient number, since it is larger than the sum of its proper divisors (1).
12003200257 is an equidigital number, since it uses as much as digits as its factorization.
12003200257 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 840, while the sum is 22.
Adding to 12003200257 its reverse (75200230021), we get a palindrome (87203430278).
The spelling of 12003200257 in words is "twelve billion, three million, two hundred thousand, two hundred fifty-seven".
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