Base | Representation |
---|---|
bin | 100001001111010110… |
… | …1110100100001100010 |
3 | 20211020202100222012022 |
4 | 1002132231310201202 |
5 | 2132142331212412 |
6 | 52443110101442 |
7 | 5104630304141 |
oct | 1023655644142 |
9 | 224222328168 |
10 | 71382288482 |
11 | 2830049394a |
12 | 11a0194a882 |
13 | 696793452b |
14 | 3652437758 |
15 | 1ccbb57a72 |
hex | 109eb74862 |
71382288482 has 18 divisors (see below), whose sum is σ = 113752602243. Its totient is φ = 33588642432.
The previous prime is 71382288479. The next prime is 71382288487. The reversal of 71382288482 is 28488228317.
It can be written as a sum of positive squares in 5 ways, for example, as 8977752001 + 62404536481 = 94751^2 + 249809^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=188921.
It is a super-2 number, since 2×713822884822 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (71382288487) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 6417758 + ... + 6428870.
Almost surely, 271382288482 is an apocalyptic number.
71382288482 is a deficient number, since it is larger than the sum of its proper divisors (42370313761).
71382288482 is an frugal number, since it uses more digits than its factorization.
71382288482 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22262 (or 11132 counting only the distinct ones).
The product of its digits is 2752512, while the sum is 53.
The spelling of 71382288482 in words is "seventy-one billion, three hundred eighty-two million, two hundred eighty-eight thousand, four hundred eighty-two".
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