Base | Representation |
---|---|
bin | 100001000100111001… |
… | …0001111001011101101 |
3 | 20210100021121000001221 |
4 | 1002021302033023231 |
5 | 2130432431442332 |
6 | 52344203303341 |
7 | 5063134412110 |
oct | 1021162171355 |
9 | 223307530057 |
10 | 71031124717 |
11 | 28140244363 |
12 | 1192421ab51 |
13 | 690cc61717 |
14 | 361b946577 |
15 | 1caadde297 |
hex | 1089c8f2ed |
71031124717 has 8 divisors (see below), whose sum is σ = 81209002176. Its totient is φ = 60860890752.
The previous prime is 71031124711. The next prime is 71031124739. The reversal of 71031124717 is 71742113017.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 71031124717 - 227 = 70896906989 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (71031124711) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1890943 + ... + 1928140.
It is an arithmetic number, because the mean of its divisors is an integer number (10151125272).
Almost surely, 271031124717 is an apocalyptic number.
It is an amenable number.
71031124717 is a deficient number, since it is larger than the sum of its proper divisors (10177877459).
71031124717 is a wasteful number, since it uses less digits than its factorization.
71031124717 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3821747.
The product of its (nonzero) digits is 8232, while the sum is 34.
The spelling of 71031124717 in words is "seventy-one billion, thirty-one million, one hundred twenty-four thousand, seven hundred seventeen".
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