Base | Representation |
---|---|
bin | 101100001001011110100011… |
… | …0110100000110110001110100 |
3 | 1212220222001022010000220122122 |
4 | 1120102331012310012301310 |
5 | 401344402140432212322 |
6 | 3453524350213215112 |
7 | 144536651445435143 |
oct | 13022750664066164 |
9 | 1786861263026578 |
10 | 388330656132212 |
11 | 102809119699a52 |
12 | 376790bb031498 |
13 | 1388b567c72091 |
14 | 6bc743841175a |
15 | 2ed6588e00442 |
hex | 1612f46d06c74 |
388330656132212 has 12 divisors (see below), whose sum is σ = 679578788730660. Its totient is φ = 194165287923456.
The previous prime is 388330656132191. The next prime is 388330656132227. The reversal of 388330656132212 is 212231656033883.
It can be written as a sum of positive squares in 2 ways, for example, as 143542539893776 + 244788116238436 = 11980924^2 + 15645706^2 .
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26548964 + ... + 38490372.
It is an arithmetic number, because the mean of its divisors is an integer number (56631565727555).
Almost surely, 2388330656132212 is an apocalyptic number.
It is an amenable number.
388330656132212 is a deficient number, since it is larger than the sum of its proper divisors (291248132598448).
388330656132212 is a wasteful number, since it uses less digits than its factorization.
388330656132212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20071330 (or 20071328 counting only the distinct ones).
The product of its (nonzero) digits is 7464960, while the sum is 53.
The spelling of 388330656132212 in words is "three hundred eighty-eight trillion, three hundred thirty billion, six hundred fifty-six million, one hundred thirty-two thousand, two hundred twelve".
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