Base | Representation |
---|---|
bin | 110001011111110… |
… | …100110000011111 |
3 | 2010212121000111211 |
4 | 301133310300133 |
5 | 3200042114033 |
6 | 214222525251 |
7 | 26402335321 |
oct | 6137646037 |
9 | 2125530454 |
10 | 830426143 |
11 | 3968324a8 |
12 | 1b2136827 |
13 | 103076b21 |
14 | 7c409611 |
15 | 4cd872cd |
hex | 317f4c1f |
830426143 has 2 divisors, whose sum is σ = 830426144. Its totient is φ = 830426142.
The previous prime is 830426131. The next prime is 830426147. The reversal of 830426143 is 341624038.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 830426143 - 225 = 796871711 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (830426147) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 415213071 + 415213072.
It is an arithmetic number, because the mean of its divisors is an integer number (415213072).
Almost surely, 2830426143 is an apocalyptic number.
830426143 is a deficient number, since it is larger than the sum of its proper divisors (1).
830426143 is an equidigital number, since it uses as much as digits as its factorization.
830426143 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 13824, while the sum is 31.
The square root of 830426143 is about 28817.1154524529. The cubic root of 830426143 is about 939.9404455253.
The spelling of 830426143 in words is "eight hundred thirty million, four hundred twenty-six thousand, one hundred forty-three".
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