Base | Representation |
---|---|
bin | 111101011001101… |
… | …100000111010111 |
3 | 2122210101202112221 |
4 | 331121230013113 |
5 | 4102204110341 |
6 | 250115323211 |
7 | 34346040436 |
oct | 7531540727 |
9 | 2583352487 |
10 | 1030144471 |
11 | 489542874 |
12 | 248bb0507 |
13 | 135562b55 |
14 | 9ab5711d |
15 | 60687ed1 |
hex | 3d66c1d7 |
1030144471 has 2 divisors, whose sum is σ = 1030144472. Its totient is φ = 1030144470.
The previous prime is 1030144459. The next prime is 1030144481. The reversal of 1030144471 is 1744410301.
It is a happy number.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 1030144471 - 215 = 1030111703 is a prime.
It is a super-3 number, since 3×10301444713 (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1030144481) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 515072235 + 515072236.
It is an arithmetic number, because the mean of its divisors is an integer number (515072236).
Almost surely, 21030144471 is an apocalyptic number.
1030144471 is a deficient number, since it is larger than the sum of its proper divisors (1).
1030144471 is an equidigital number, since it uses as much as digits as its factorization.
1030144471 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1344, while the sum is 25.
The square root of 1030144471 is about 32095.8637677817. The cubic root of 1030144471 is about 1009.9488491561.
Adding to 1030144471 its reverse (1744410301), we get a palindrome (2774554772).
The spelling of 1030144471 in words is "one billion, thirty million, one hundred forty-four thousand, four hundred seventy-one".
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