Base | Representation |
---|---|
bin | 1000011110100… |
… | …10010100100111 |
3 | 11221211001220120 |
4 | 10033102110213 |
5 | 121201203241 |
6 | 11020133023 |
7 | 1522322325 |
oct | 417222447 |
9 | 157731816 |
10 | 71116071 |
11 | 37163614 |
12 | 1b997173 |
13 | 1196c820 |
14 | 9632d15 |
15 | 639b666 |
hex | 43d2527 |
71116071 has 8 divisors (see below), whose sum is σ = 102115440. Its totient is φ = 43763712.
The previous prime is 71116051. The next prime is 71116093. The reversal of 71116071 is 17061117.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 71116071 - 211 = 71114023 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (71116021) 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 in 7 ways as a sum of consecutive naturals, for example, 911706 + ... + 911783.
It is an arithmetic number, because the mean of its divisors is an integer number (12764430).
Almost surely, 271116071 is an apocalyptic number.
71116071 is a deficient number, since it is larger than the sum of its proper divisors (30999369).
71116071 is a wasteful number, since it uses less digits than its factorization.
71116071 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1823505.
The product of its (nonzero) digits is 294, while the sum is 24.
The square root of 71116071 is about 8433.0345072222. The cubic root of 71116071 is about 414.3072994416.
Adding to 71116071 its reverse (17061117), we get a palindrome (88177188).
The spelling of 71116071 in words is "seventy-one million, one hundred sixteen thousand, seventy-one".
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