Base | Representation |
---|---|
bin | 10011001011000000… |
… | …111100100111011000 |
3 | 1222010122222200102000 |
4 | 103023000330213120 |
5 | 314124442023222 |
6 | 13242415041000 |
7 | 1326065124516 |
oct | 231300744730 |
9 | 58118880360 |
10 | 20585892312 |
11 | 8804221647 |
12 | 3ba6210160 |
13 | 1c30ba408b |
14 | dd40394b6 |
15 | 8073ed9ac |
hex | 4cb03c9d8 |
20585892312 has 64 divisors (see below), whose sum is σ = 57365916000. Its totient is φ = 6840018432.
The previous prime is 20585892293. The next prime is 20585892347. The reversal of 20585892312 is 21329858502.
20585892312 is a `hidden beast` number, since 2 + 0 + 58 + 589 + 2 + 3 + 12 = 666.
It is a congruent number.
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, 84637 + ... + 219852.
Almost surely, 220585892312 is an apocalyptic number.
It is an amenable number.
20585892312 is an abundant number, since it is smaller than the sum of its proper divisors (36780023688).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20585892312 is a wasteful number, since it uses less digits than its factorization.
20585892312 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 304817 (or 304807 counting only the distinct ones).
The product of its (nonzero) digits is 345600, while the sum is 45.
The spelling of 20585892312 in words is "twenty billion, five hundred eighty-five million, eight hundred ninety-two thousand, three hundred twelve".
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