Base | Representation |
---|---|
bin | 10001001101101110… |
… | …000111000001001100 |
3 | 1202201011112102212020 |
4 | 101031232013001030 |
5 | 300323323132223 |
6 | 12254044010140 |
7 | 1223021504055 |
oct | 211556070114 |
9 | 52634472766 |
10 | 18483802188 |
11 | 7925696185 |
12 | 36ba230950 |
13 | 1987533a77 |
14 | c74ba772c |
15 | 732ac21e3 |
hex | 44db8704c |
18483802188 has 24 divisors (see below), whose sum is σ = 43151237808. Its totient is φ = 6158072256.
The previous prime is 18483802171. The next prime is 18483802217. The reversal of 18483802188 is 88120838481.
It is a super-2 number, since 2×184838021882 (a number of 21 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 18483802188.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 375231 + ... + 421622.
It is an arithmetic number, because the mean of its divisors is an integer number (1797968242).
Almost surely, 218483802188 is an apocalyptic number.
It is an amenable number.
18483802188 is an abundant number, since it is smaller than the sum of its proper divisors (24667435620).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18483802188 is a wasteful number, since it uses less digits than its factorization.
18483802188 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 798793 (or 798791 counting only the distinct ones).
The product of its (nonzero) digits is 786432, while the sum is 51.
The spelling of 18483802188 in words is "eighteen billion, four hundred eighty-three million, eight hundred two thousand, one hundred eighty-eight".
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