Base | Representation |
---|---|
bin | 1000011110001… |
… | …01101000111011 |
3 | 11221201102122120 |
4 | 10033011220323 |
5 | 121143022443 |
6 | 11015052323 |
7 | 1522015014 |
oct | 417055073 |
9 | 157642576 |
10 | 71064123 |
11 | 37128589 |
12 | 1b9710a3 |
13 | 11951ca0 |
14 | 961c00b |
15 | 638b083 |
hex | 43c5a3b |
71064123 has 32 divisors (see below), whose sum is σ = 111148800. Its totient is φ = 39989376.
The previous prime is 71064107. The next prime is 71064127. The reversal of 71064123 is 32146017.
It is not a de Polignac number, because 71064123 - 24 = 71064107 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 71064093 and 71064102.
It is not an unprimeable number, because it can be changed into a prime (71064127) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19836 + ... + 23142.
It is an arithmetic number, because the mean of its divisors is an integer number (3473400).
Almost surely, 271064123 is an apocalyptic number.
71064123 is a deficient number, since it is larger than the sum of its proper divisors (40084677).
71064123 is a wasteful number, since it uses less digits than its factorization.
71064123 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3371.
The product of its (nonzero) digits is 1008, while the sum is 24.
The square root of 71064123 is about 8429.9539144648. The cubic root of 71064123 is about 414.2063954879.
The spelling of 71064123 in words is "seventy-one million, sixty-four thousand, one hundred twenty-three".
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