Base | Representation |
---|---|
bin | 100001000100111001… |
… | …0001111001011100111 |
3 | 20210100021121000001201 |
4 | 1002021302033023213 |
5 | 2130432431442321 |
6 | 52344203303331 |
7 | 5063134412101 |
oct | 1021162171347 |
9 | 223307530051 |
10 | 71031124711 |
11 | 28140244358 |
12 | 1192421ab47 |
13 | 690cc61711 |
14 | 361b946571 |
15 | 1caadde291 |
hex | 1089c8f2e7 |
71031124711 has 2 divisors, whose sum is σ = 71031124712. Its totient is φ = 71031124710.
The previous prime is 71031124679. The next prime is 71031124739. The reversal of 71031124711 is 11742113017.
It is an a-pointer prime, because the next prime (71031124739) can be obtained adding 71031124711 to its sum of digits (28).
It is a strong prime.
It is an emirp because it is prime and its reverse (11742113017) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 71031124711 - 25 = 71031124679 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 71031124711.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (71041124711) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35515562355 + 35515562356.
It is an arithmetic number, because the mean of its divisors is an integer number (35515562356).
Almost surely, 271031124711 is an apocalyptic number.
71031124711 is a deficient number, since it is larger than the sum of its proper divisors (1).
71031124711 is an equidigital number, since it uses as much as digits as its factorization.
71031124711 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1176, while the sum is 28.
Adding to 71031124711 its reverse (11742113017), we get a palindrome (82773237728).
The spelling of 71031124711 in words is "seventy-one billion, thirty-one million, one hundred twenty-four thousand, seven hundred eleven".
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