Base | Representation |
---|---|
bin | 100001000101001010… |
… | …1101010001011100100 |
3 | 20210100221001202112220 |
4 | 1002022111222023210 |
5 | 2130442321112330 |
6 | 52345134312340 |
7 | 5063306344644 |
oct | 1021225521344 |
9 | 223327052486 |
10 | 71040410340 |
11 | 28145506829 |
12 | 119273586b0 |
13 | 6911b63083 |
14 | 361cc82524 |
15 | 1cabb25710 |
hex | 108a56a2e4 |
71040410340 has 96 divisors (see below), whose sum is σ = 206373049344. Its totient is φ = 18239854080.
The previous prime is 71040410321. The next prime is 71040410341. The reversal of 71040410340 is 4301404017.
It is a self number, because there is not a number n which added to its sum of digits gives 71040410340.
It is not an unprimeable number, because it can be changed into a prime (71040410341) 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, 269482 + ... + 463358.
It is an arithmetic number, because the mean of its divisors is an integer number (2149719264).
Almost surely, 271040410340 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 71040410340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103186524672).
71040410340 is an abundant number, since it is smaller than the sum of its proper divisors (135332639004).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
71040410340 is a wasteful number, since it uses less digits than its factorization.
71040410340 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 194117 (or 194115 counting only the distinct ones).
The product of its (nonzero) digits is 1344, while the sum is 24.
Adding to 71040410340 its reverse (4301404017), we get a palindrome (75341814357).
The spelling of 71040410340 in words is "seventy-one billion, forty million, four hundred ten thousand, three hundred forty".
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