Base | Representation |
---|---|
bin | 111101011001001… |
… | …010010010011001 |
3 | 2122210010201111011 |
4 | 331121022102121 |
5 | 4102140142123 |
6 | 250112333521 |
7 | 34344622456 |
oct | 7531122231 |
9 | 2583121434 |
10 | 1030005913 |
11 | 489458762 |
12 | 248b442a1 |
13 | 135514a71 |
14 | 9ab1c82d |
15 | 6065be0d |
hex | 3d64a499 |
1030005913 has 2 divisors, whose sum is σ = 1030005914. Its totient is φ = 1030005912.
The previous prime is 1030005863. The next prime is 1030005947. The reversal of 1030005913 is 3195000301.
1030005913 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 955304464 + 74701449 = 30908^2 + 8643^2 .
It is an emirp because it is prime and its reverse (3195000301) is a distict prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1030005913 is a prime.
It is not a weakly prime, because it can be changed into another prime (1030005013) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 515002956 + 515002957.
It is an arithmetic number, because the mean of its divisors is an integer number (515002957).
Almost surely, 21030005913 is an apocalyptic number.
It is an amenable number.
1030005913 is a deficient number, since it is larger than the sum of its proper divisors (1).
1030005913 is an equidigital number, since it uses as much as digits as its factorization.
1030005913 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 405, while the sum is 22.
The square root of 1030005913 is about 32093.7051927633. The cubic root of 1030005913 is about 1009.9035665862.
The spelling of 1030005913 in words is "one billion, thirty million, five thousand, nine hundred thirteen".
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