Base | Representation |
---|---|
bin | 1000011110100… |
… | …00001001011001 |
3 | 11221210121200120 |
4 | 10033100021121 |
5 | 121200412121 |
6 | 11020023453 |
7 | 1522254336 |
oct | 417201131 |
9 | 157717616 |
10 | 71107161 |
11 | 37157954 |
12 | 1b991b89 |
13 | 11968758 |
14 | 962d98d |
15 | 6398bc6 |
hex | 43d0259 |
71107161 has 16 divisors (see below), whose sum is σ = 97379520. Its totient is φ = 46126080.
The previous prime is 71107147. The next prime is 71107163. The reversal of 71107161 is 16170117.
It is not a de Polignac number, because 71107161 - 210 = 71106137 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (71107163) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82350 + ... + 83208.
It is an arithmetic number, because the mean of its divisors is an integer number (6086220).
Almost surely, 271107161 is an apocalyptic number.
It is an amenable number.
71107161 is a deficient number, since it is larger than the sum of its proper divisors (26272359).
71107161 is a wasteful number, since it uses less digits than its factorization.
71107161 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1576.
The product of its (nonzero) digits is 294, while the sum is 24.
The square root of 71107161 is about 8432.5062110858. The cubic root of 71107161 is about 414.2899961224.
Adding to 71107161 its reverse (16170117), we get a palindrome (87277278).
The spelling of 71107161 in words is "seventy-one million, one hundred seven thousand, one hundred sixty-one".
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