Base | Representation |
---|---|
bin | 110110100011000… |
… | …1111000010100101 |
3 | 11201120010110120021 |
4 | 1231012033002211 |
5 | 12222032213023 |
6 | 501342435141 |
7 | 63233504221 |
oct | 15506170245 |
9 | 4646113507 |
10 | 1830351013 |
11 | 85a204897 |
12 | 430b92ab1 |
13 | 232288a4a |
14 | 135137781 |
15 | aaa5135d |
hex | 6d18f0a5 |
1830351013 has 2 divisors, whose sum is σ = 1830351014. Its totient is φ = 1830351012.
The previous prime is 1830350993. The next prime is 1830351031. The reversal of 1830351013 is 3101530381.
Together with next prime (1830351031) it forms an Ormiston pair, because they use the same digits, order apart.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 1671010884 + 159340129 = 40878^2 + 12623^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1830351013 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1830151013) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 915175506 + 915175507.
It is an arithmetic number, because the mean of its divisors is an integer number (915175507).
Almost surely, 21830351013 is an apocalyptic number.
It is an amenable number.
1830351013 is a deficient number, since it is larger than the sum of its proper divisors (1).
1830351013 is an equidigital number, since it uses as much as digits as its factorization.
1830351013 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 1080, while the sum is 25.
The square root of 1830351013 is about 42782.6017558540. The cubic root of 1830351013 is about 1223.2394006994.
Adding to 1830351013 its reverse (3101530381), we get a palindrome (4931881394).
The spelling of 1830351013 in words is "one billion, eight hundred thirty million, three hundred fifty-one thousand, thirteen".
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