Base | Representation |
---|---|
bin | 100001011100100111… |
… | …1101111011111111101 |
3 | 20212101202220101111221 |
4 | 1002321033233133331 |
5 | 2134100302412123 |
6 | 52555210113341 |
7 | 5121643504444 |
oct | 1027117573775 |
9 | 225352811457 |
10 | 71827388413 |
11 | 28509763030 |
12 | 11b06a1b851 |
13 | 6a08c06a81 |
14 | 36955bbd5b |
15 | 1d05c7925d |
hex | 10b93ef7fd |
71827388413 has 32 divisors (see below), whose sum is σ = 84826103040. Its totient is φ = 60131850240.
The previous prime is 71827388411. The next prime is 71827388497. The reversal of 71827388413 is 31488372817.
It is not a de Polignac number, because 71827388413 - 21 = 71827388411 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (71827388411) 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, 2576095 + ... + 2603827.
It is an arithmetic number, because the mean of its divisors is an integer number (2650815720).
Almost surely, 271827388413 is an apocalyptic number.
It is an amenable number.
71827388413 is a deficient number, since it is larger than the sum of its proper divisors (12998714627).
71827388413 is a wasteful number, since it uses less digits than its factorization.
71827388413 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 28149.
The product of its digits is 1806336, while the sum is 52.
The spelling of 71827388413 in words is "seventy-one billion, eight hundred twenty-seven million, three hundred eighty-eight thousand, four hundred thirteen".
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