Base | Representation |
---|---|
bin | 100101100101001… |
… | …101100111010011 |
3 | 1121221102022222101 |
4 | 211211031213103 |
5 | 2242402341313 |
6 | 142322021231 |
7 | 21424156435 |
oct | 4545154723 |
9 | 1557368871 |
10 | 630512083 |
11 | 2a39a9073 |
12 | 1571a7817 |
13 | a081c996 |
14 | 5da4a655 |
15 | 3a5485dd |
hex | 2594d9d3 |
630512083 has 2 divisors, whose sum is σ = 630512084. Its totient is φ = 630512082.
The previous prime is 630512081. The next prime is 630512101. The reversal of 630512083 is 380215036.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 630512083 - 21 = 630512081 is a prime.
Together with 630512081, it forms a pair of twin primes.
It is not a weakly prime, because it can be changed into another prime (630512081) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 315256041 + 315256042.
It is an arithmetic number, because the mean of its divisors is an integer number (315256042).
Almost surely, 2630512083 is an apocalyptic number.
630512083 is a deficient number, since it is larger than the sum of its proper divisors (1).
630512083 is an equidigital number, since it uses as much as digits as its factorization.
630512083 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 4320, while the sum is 28.
The square root of 630512083 is about 25109.9996614894. Note that the first 3 decimals coincide. The cubic root of 630512083 is about 857.4940947668.
The spelling of 630512083 in words is "six hundred thirty million, five hundred twelve thousand, eighty-three".
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