Base | Representation |
---|---|
bin | 1000011110011… |
… | …11001010001101 |
3 | 11221210102010210 |
4 | 10033033022031 |
5 | 121200244432 |
6 | 11015553033 |
7 | 1522236501 |
oct | 417171215 |
9 | 157712123 |
10 | 71103117 |
11 | 37154908 |
12 | 1b98b779 |
13 | 11966967 |
14 | 962c301 |
15 | 63978cc |
hex | 43cf28d |
71103117 has 4 divisors (see below), whose sum is σ = 94804160. Its totient is φ = 47402076.
The previous prime is 71103107. The next prime is 71103121. The reversal of 71103117 is 71130117.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is not a de Polignac number, because 71103117 - 28 = 71102861 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 71103093 and 71103102.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (71103107) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11850517 + ... + 11850522.
It is an arithmetic number, because the mean of its divisors is an integer number (23701040).
Almost surely, 271103117 is an apocalyptic number.
It is an amenable number.
71103117 is a deficient number, since it is larger than the sum of its proper divisors (23701043).
71103117 is a wasteful number, since it uses less digits than its factorization.
71103117 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23701042.
The product of its (nonzero) digits is 147, while the sum is 21.
The square root of 71103117 is about 8432.2664213128. The cubic root of 71103117 is about 414.2821421525.
Subtracting 71103117 from its reverse (71130117), we obtain a cube (27000 = 303).
The spelling of 71103117 in words is "seventy-one million, one hundred three thousand, one hundred seventeen".
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