Base | Representation |
---|---|
bin | 1000100000000… |
… | …10011010000011 |
3 | 11222012002002020 |
4 | 10100002122003 |
5 | 121224004102 |
6 | 11024252523 |
7 | 1524102462 |
oct | 420023203 |
9 | 158162066 |
10 | 71313027 |
11 | 37288595 |
12 | 1ba71143 |
13 | 11a0b376 |
14 | 96849d9 |
15 | 63d9bbc |
hex | 4402683 |
71313027 has 4 divisors (see below), whose sum is σ = 95084040. Its totient is φ = 47542016.
The previous prime is 71313017. The next prime is 71313083. The reversal of 71313027 is 72031317.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72031317 = 3 ⋅24010439.
It is a cyclic number.
It is not a de Polignac number, because 71313027 - 218 = 71050883 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 71312988 and 71313006.
It is not an unprimeable number, because it can be changed into a prime (71313007) 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, 11885502 + ... + 11885507.
It is an arithmetic number, because the mean of its divisors is an integer number (23771010).
Almost surely, 271313027 is an apocalyptic number.
71313027 is a deficient number, since it is larger than the sum of its proper divisors (23771013).
71313027 is a wasteful number, since it uses less digits than its factorization.
71313027 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23771012.
The product of its (nonzero) digits is 882, while the sum is 24.
The square root of 71313027 is about 8444.7040800729. The cubic root of 71313027 is about 414.6894216647.
The spelling of 71313027 in words is "seventy-one million, three hundred thirteen thousand, twenty-seven".
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