Base | Representation |
---|---|
bin | 1000100011111011101101… |
… | …10111100000011100100000 |
3 | 2110122211100120021102012011 |
4 | 10101331312313200130200 |
5 | 4431424324443430142 |
6 | 104012532400242304 |
7 | 3652123354622413 |
oct | 421756667403440 |
9 | 73584316242164 |
10 | 18826835920672 |
11 | 5aa946407638a |
12 | 2140925310394 |
13 | a674946bb440 |
14 | 49131bc63b7a |
15 | 229ae111e417 |
hex | 111f76de0720 |
18826835920672 has 96 divisors (see below), whose sum is σ = 42994530976320. Its totient is φ = 8040535372800.
The previous prime is 18826835920663. The next prime is 18826835920681. The reversal of 18826835920672 is 27602953862881.
It is an interprime number because it is at equal distance from previous prime (18826835920663) and next prime (18826835920681).
It is a junction number, because it is equal to n+sod(n) for n = 18826835920598 and 18826835920607.
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, 27357079 + ... + 28036822.
It is an arithmetic number, because the mean of its divisors is an integer number (447859697670).
Almost surely, 218826835920672 is an apocalyptic number.
It is an amenable number.
18826835920672 is an abundant number, since it is smaller than the sum of its proper divisors (24167695055648).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18826835920672 is a wasteful number, since it uses less digits than its factorization.
18826835920672 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 55393986 (or 55393978 counting only the distinct ones).
The product of its (nonzero) digits is 139345920, while the sum is 67.
The spelling of 18826835920672 in words is "eighteen trillion, eight hundred twenty-six billion, eight hundred thirty-five million, nine hundred twenty thousand, six hundred seventy-two".
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