Base | Representation |
---|---|
bin | 10011011011010001… |
… | …110000010010001001 |
3 | 1222211200101110102210 |
4 | 103123101300102021 |
5 | 320204313434310 |
6 | 13325443015333 |
7 | 1335620211465 |
oct | 233321602211 |
9 | 58750343383 |
10 | 20858733705 |
11 | 89342363a7 |
12 | 406166a549 |
13 | 1c755832a4 |
14 | 101c37d4a5 |
15 | 821345820 |
hex | 4db470489 |
20858733705 has 16 divisors (see below), whose sum is σ = 33406306560. Its totient is φ = 11113880448.
The previous prime is 20858733697. The next prime is 20858733737. The reversal of 20858733705 is 50733785802.
It is not a de Polignac number, because 20858733705 - 23 = 20858733697 is a prime.
It is a super-3 number, since 3×208587337053 (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
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, 657585 + ... + 688574.
It is an arithmetic number, because the mean of its divisors is an integer number (2087894160).
Almost surely, 220858733705 is an apocalyptic number.
It is an amenable number.
20858733705 is a deficient number, since it is larger than the sum of its proper divisors (12547572855).
20858733705 is a wasteful number, since it uses less digits than its factorization.
20858733705 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1347200.
The product of its (nonzero) digits is 1411200, while the sum is 48.
The spelling of 20858733705 in words is "twenty billion, eight hundred fifty-eight million, seven hundred thirty-three thousand, seven hundred five".
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