Base | Representation |
---|---|
bin | 110000001011… |
… | …101001011011 |
3 | 212202200221201 |
4 | 300023221123 |
5 | 11213134434 |
6 | 1130415031 |
7 | 212233651 |
oct | 60135133 |
9 | 25680851 |
10 | 12630619 |
11 | 7147631 |
12 | 4291477 |
13 | 2803051 |
14 | 196add1 |
15 | 1197614 |
hex | c0ba5b |
12630619 has 2 divisors, whose sum is σ = 12630620. Its totient is φ = 12630618.
The previous prime is 12630617. The next prime is 12630623. The reversal of 12630619 is 91603621.
12630619 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 12630619 - 21 = 12630617 is a prime.
It is a super-2 number, since 2×126306192 = 319065072646322, which contains 22 as substring.
Together with 12630617, it forms a pair of twin primes.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (12630617) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6315309 + 6315310.
It is an arithmetic number, because the mean of its divisors is an integer number (6315310).
Almost surely, 212630619 is an apocalyptic number.
12630619 is a deficient number, since it is larger than the sum of its proper divisors (1).
12630619 is an equidigital number, since it uses as much as digits as its factorization.
12630619 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1944, while the sum is 28.
The square root of 12630619 is about 3553.9582158489. The cubic root of 12630619 is about 232.8850151331.
The spelling of 12630619 in words is "twelve million, six hundred thirty thousand, six hundred nineteen".
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