Base | Representation |
---|---|
bin | 110001010100… |
… | …101111100011 |
3 | 220022220122121 |
4 | 301110233203 |
5 | 11302230034 |
6 | 1141045111 |
7 | 214621564 |
oct | 61245743 |
9 | 26286577 |
10 | 12930019 |
11 | 7331573 |
12 | 43b6797 |
13 | 28a93cb |
14 | 1a0816b |
15 | 12061b4 |
hex | c54be3 |
12930019 has 2 divisors, whose sum is σ = 12930020. Its totient is φ = 12930018.
The previous prime is 12930011. The next prime is 12930031. The reversal of 12930019 is 91003921.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 12930019 - 23 = 12930011 is a prime.
It is a super-2 number, since 2×129300192 = 334370782680722, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 12929975 and 12930002.
It is not a weakly prime, because it can be changed into another prime (12930011) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6465009 + 6465010.
It is an arithmetic number, because the mean of its divisors is an integer number (6465010).
Almost surely, 212930019 is an apocalyptic number.
12930019 is a deficient number, since it is larger than the sum of its proper divisors (1).
12930019 is an equidigital number, since it uses as much as digits as its factorization.
12930019 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 486, while the sum is 25.
The square root of 12930019 is about 3595.8335612205. The cubic root of 12930019 is about 234.7107895343.
The spelling of 12930019 in words is "twelve million, nine hundred thirty thousand, nineteen".
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