Base | Representation |
---|---|
bin | 100001001001011010… |
… | …0010101001000000000 |
3 | 20210201211202012202210 |
4 | 1002102310111020000 |
5 | 2131240230341123 |
6 | 52411215342120 |
7 | 5066654461104 |
oct | 1022264251000 |
9 | 223654665683 |
10 | 71182668288 |
11 | 28208840286 |
12 | 11966b21940 |
13 | 6935481084 |
14 | 3633b13904 |
15 | 1cb9375e93 |
hex | 1092d15200 |
71182668288 has 80 divisors (see below), whose sum is σ = 190391626656. Its totient is φ = 23632896000.
The previous prime is 71182668287. The next prime is 71182668331. The reversal of 71182668288 is 88286628117.
It is not an unprimeable number, because it can be changed into a prime (71182668287) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 293220 + ... + 477852.
Almost surely, 271182668288 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 71182668288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95195813328).
71182668288 is an abundant number, since it is smaller than the sum of its proper divisors (119208958368).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
71182668288 is a wasteful number, since it uses less digits than its factorization.
71182668288 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 184905 (or 184889 counting only the distinct ones).
The product of its digits is 4128768, while the sum is 57.
The spelling of 71182668288 in words is "seventy-one billion, one hundred eighty-two million, six hundred sixty-eight thousand, two hundred eighty-eight".
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