Base | Representation |
---|---|
bin | 100001011110000110… |
… | …0110010111011000000 |
3 | 20212112020011021000011 |
4 | 1002330030302323000 |
5 | 2134200444311043 |
6 | 53004140234304 |
7 | 5123114655142 |
oct | 1027414627300 |
9 | 225466137004 |
10 | 71876947648 |
11 | 28534732680 |
12 | 11b1b53b994 |
13 | 6a1626966c |
14 | 369bddcc92 |
15 | 1d0a2b859d |
hex | 10bc332ec0 |
71876947648 has 112 divisors (see below), whose sum is σ = 165665249568. Its totient is φ = 30578688000.
The previous prime is 71876947613. The next prime is 71876947669. The reversal of 71876947648 is 84674967817.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2149618 + ... + 2182798.
It is an arithmetic number, because the mean of its divisors is an integer number (1479154014).
Almost surely, 271876947648 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 71876947648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82832624784).
71876947648 is an abundant number, since it is smaller than the sum of its proper divisors (93788301920).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
71876947648 is a wasteful number, since it uses less digits than its factorization.
71876947648 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 33402 (or 33392 counting only the distinct ones).
The product of its digits is 113799168, while the sum is 67.
The spelling of 71876947648 in words is "seventy-one billion, eight hundred seventy-six million, nine hundred forty-seven thousand, six hundred forty-eight".
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