Base | Representation |
---|---|
bin | 1000011101110… |
… | …01010111000101 |
3 | 11221121212122211 |
4 | 10032321113011 |
5 | 121134420304 |
6 | 11014023421 |
7 | 1521415255 |
oct | 416712705 |
9 | 157555584 |
10 | 71013829 |
11 | 370a3817 |
12 | 1b947b71 |
13 | 11935123 |
14 | 9607965 |
15 | 637b204 |
hex | 43b95c5 |
71013829 has 2 divisors, whose sum is σ = 71013830. Its totient is φ = 71013828.
The previous prime is 71013793. The next prime is 71013869. The reversal of 71013829 is 92831017.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 36180225 + 34833604 = 6015^2 + 5902^2 .
It is a cyclic number.
It is not a de Polignac number, because 71013829 - 211 = 71011781 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 71013829.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (71013869) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35506914 + 35506915.
It is an arithmetic number, because the mean of its divisors is an integer number (35506915).
Almost surely, 271013829 is an apocalyptic number.
It is an amenable number.
71013829 is a deficient number, since it is larger than the sum of its proper divisors (1).
71013829 is an equidigital number, since it uses as much as digits as its factorization.
71013829 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 3024, while the sum is 31.
The square root of 71013829 is about 8426.9703333998. The cubic root of 71013829 is about 414.1086574077.
The spelling of 71013829 in words is "seventy-one million, thirteen thousand, eight hundred twenty-nine".
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