Base | Representation |
---|---|
bin | 1000001101100010111010… |
… | …11010100001000110100101 |
3 | 2100221021211212111220201201 |
4 | 10012301131122201012211 |
5 | 4331323441043313210 |
6 | 102223315033522501 |
7 | 3542422255202311 |
oct | 406613532410645 |
9 | 70837755456651 |
10 | 18057609744805 |
11 | 5832209a381a4 |
12 | 2037828b73431 |
13 | a0ca96223577 |
14 | 465dc8a1ab41 |
15 | 214abe85c53a |
hex | 106c5d6a11a5 |
18057609744805 has 16 divisors (see below), whose sum is σ = 22407309669888. Its totient is φ = 13955601384000.
The previous prime is 18057609744781. The next prime is 18057609744833. The reversal of 18057609744805 is 50844790675081.
It is not a de Polignac number, because 18057609744805 - 213 = 18057609736613 is a prime.
It is a Duffinian number.
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, 101926126 + ... + 102103135.
It is an arithmetic number, because the mean of its divisors is an integer number (1400456854368).
Almost surely, 218057609744805 is an apocalyptic number.
It is an amenable number.
18057609744805 is a deficient number, since it is larger than the sum of its proper divisors (4349699925083).
18057609744805 is a wasteful number, since it uses less digits than its factorization.
18057609744805 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 204029868.
The product of its (nonzero) digits is 67737600, while the sum is 64.
The spelling of 18057609744805 in words is "eighteen trillion, fifty-seven billion, six hundred nine million, seven hundred forty-four thousand, eight hundred five".
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