Base | Representation |
---|---|
bin | 1100001010110… |
… | …1101010111111 |
3 | 10120001020211202 |
4 | 3002231222333 |
5 | 101031334012 |
6 | 5022010115 |
7 | 1156600301 |
oct | 302555277 |
9 | 116036752 |
10 | 51043007 |
11 | 268a3404 |
12 | 1511693b |
13 | a762082 |
14 | 6ac9971 |
15 | 4733cc2 |
hex | 30adabf |
51043007 has 2 divisors, whose sum is σ = 51043008. Its totient is φ = 51043006.
The previous prime is 51043001. The next prime is 51043009. The reversal of 51043007 is 70034015.
It is a happy number.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 51043007 - 214 = 51026623 is a prime.
Together with 51043009, it forms a pair of twin primes.
It is a Chen prime.
It is a self number, because there is not a number n which added to its sum of digits gives 51043007.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (51043001) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25521503 + 25521504.
It is an arithmetic number, because the mean of its divisors is an integer number (25521504).
Almost surely, 251043007 is an apocalyptic number.
51043007 is a deficient number, since it is larger than the sum of its proper divisors (1).
51043007 is an equidigital number, since it uses as much as digits as its factorization.
51043007 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 420, while the sum is 20.
The square root of 51043007 is about 7144.4388862947. The cubic root of 51043007 is about 370.9471884490.
The spelling of 51043007 in words is "fifty-one million, forty-three thousand, seven".
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