Base | Representation |
---|---|
bin | 100101001100100… |
… | …0100010100110101 |
3 | 10012222111022011112 |
4 | 1022121010110311 |
5 | 10024002212201 |
6 | 323502444405 |
7 | 42633356441 |
oct | 11231042465 |
9 | 3188438145 |
10 | 1248085301 |
11 | 590569a61 |
12 | 2a9b93705 |
13 | 16b75c218 |
14 | bba89821 |
15 | 748880bb |
hex | 4a644535 |
1248085301 has 2 divisors, whose sum is σ = 1248085302. Its totient is φ = 1248085300.
The previous prime is 1248085273. The next prime is 1248085303. The reversal of 1248085301 is 1035808421.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 1077808900 + 170276401 = 32830^2 + 13049^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1248085301 is a prime.
It is a Sophie Germain prime.
Together with 1248085303, it forms a pair of twin primes.
It is a Chen prime.
It is a Curzon number.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1248085303) 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 as a sum of consecutive naturals, namely, 624042650 + 624042651.
It is an arithmetic number, because the mean of its divisors is an integer number (624042651).
Almost surely, 21248085301 is an apocalyptic number.
It is an amenable number.
1248085301 is a deficient number, since it is larger than the sum of its proper divisors (1).
1248085301 is an equidigital number, since it uses as much as digits as its factorization.
1248085301 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 7680, while the sum is 32.
The square root of 1248085301 is about 35328.2507492233. The cubic root of 1248085301 is about 1076.6670514216.
The spelling of 1248085301 in words is "one billion, two hundred forty-eight million, eighty-five thousand, three hundred one".
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