Base | Representation |
---|---|
bin | 10001011011010000… |
… | …001000110001000000 |
3 | 1210021222201110001100 |
4 | 101123100020301000 |
5 | 301304432413143 |
6 | 12332353534400 |
7 | 1231446253155 |
oct | 213320106100 |
9 | 53258643040 |
10 | 18710826048 |
11 | 7a31856602 |
12 | 3762274400 |
13 | 19c2590505 |
14 | c96dc222c |
15 | 7479b86d3 |
hex | 45b408c40 |
18710826048 has 84 divisors (see below), whose sum is σ = 55963035648. Its totient is φ = 5965766400.
The previous prime is 18710826047. The next prime is 18710826049. The reversal of 18710826048 is 84062801781.
It is an interprime number because it is at equal distance from previous prime (18710826047) and next prime (18710826049).
It is a super-2 number, since 2×187108260482 (a number of 21 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 18710825994 and 18710826012.
It is not an unprimeable number, because it can be changed into a prime (18710826047) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 692928 + ... + 719423.
Almost surely, 218710826048 is an apocalyptic number.
18710826048 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
18710826048 is an abundant number, since it is smaller than the sum of its proper divisors (37252209600).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18710826048 is a wasteful number, since it uses less digits than its factorization.
18710826048 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1412392 (or 1412379 counting only the distinct ones).
The product of its (nonzero) digits is 172032, while the sum is 45.
The spelling of 18710826048 in words is "eighteen billion, seven hundred ten million, eight hundred twenty-six thousand, forty-eight".
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