Base | Representation |
---|---|
bin | 100001000111111111… |
… | …0010110101100000001 |
3 | 20210121111222121110010 |
4 | 1002033332112230001 |
5 | 2131141022330411 |
6 | 52402353055133 |
7 | 5065535136000 |
oct | 1021776265401 |
9 | 223544877403 |
10 | 71134964481 |
11 | 28193918749 |
12 | 11952b574a9 |
13 | 692861ab79 |
14 | 362b656c37 |
15 | 1cb50a17a6 |
hex | 108ff96b01 |
71134964481 has 64 divisors (see below), whose sum is σ = 117216000000. Its totient is φ = 38249136576.
The previous prime is 71134964471. The next prime is 71134964491. The reversal of 71134964481 is 18446943117.
It is an interprime number because it is at equal distance from previous prime (71134964471) and next prime (71134964491).
It is not a de Polignac number, because 71134964481 - 210 = 71134963457 is a prime.
It is a super-2 number, since 2×711349644812 (a number of 23 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 71134964481.
It is not an unprimeable number, because it can be changed into a prime (71134964471) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2900890 + ... + 2925308.
It is an arithmetic number, because the mean of its divisors is an integer number (1831500000).
Almost surely, 271134964481 is an apocalyptic number.
It is an amenable number.
71134964481 is a deficient number, since it is larger than the sum of its proper divisors (46081035519).
71134964481 is a wasteful number, since it uses less digits than its factorization.
71134964481 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24611 (or 24597 counting only the distinct ones).
The product of its digits is 580608, while the sum is 48.
The spelling of 71134964481 in words is "seventy-one billion, one hundred thirty-four million, nine hundred sixty-four thousand, four hundred eighty-one".
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