Base | Representation |
---|---|
bin | 111110011110010… |
… | …011010010111101 |
3 | 2201001020120002101 |
4 | 332132103102331 |
5 | 4121310140444 |
6 | 252001025101 |
7 | 34654651531 |
oct | 7636232275 |
9 | 2631216071 |
10 | 1048130749 |
11 | 498708166 |
12 | 253025191 |
13 | 1391bc813 |
14 | 9d2b9bc1 |
15 | 6203c3d4 |
hex | 3e7934bd |
1048130749 has 2 divisors, whose sum is σ = 1048130750. Its totient is φ = 1048130748.
The previous prime is 1048130747. The next prime is 1048130761. The reversal of 1048130749 is 9470318401.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 860248900 + 187881849 = 29330^2 + 13707^2 .
It is a cyclic number.
It is not a de Polignac number, because 1048130749 - 21 = 1048130747 is a prime.
Together with 1048130747, it forms a pair of twin primes.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1048130747) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 524065374 + 524065375.
It is an arithmetic number, because the mean of its divisors is an integer number (524065375).
Almost surely, 21048130749 is an apocalyptic number.
It is an amenable number.
1048130749 is a deficient number, since it is larger than the sum of its proper divisors (1).
1048130749 is an equidigital number, since it uses as much as digits as its factorization.
1048130749 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 24192, while the sum is 37.
The square root of 1048130749 is about 32374.8474745442. The cubic root of 1048130749 is about 1015.7928557202.
The spelling of 1048130749 in words is "one billion, forty-eight million, one hundred thirty thousand, seven hundred forty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •