Base | Representation |
---|---|
bin | 10000111101011011… |
… | …101110101000000110 |
3 | 1202000010100200220021 |
4 | 100331123232220012 |
5 | 244243400020410 |
6 | 12211003125354 |
7 | 1213163051230 |
oct | 207533565006 |
9 | 52003320807 |
10 | 18210548230 |
11 | 77a541a466 |
12 | 364281385a |
13 | 1942a3bb34 |
14 | c4a797250 |
15 | 718ae7eda |
hex | 43d6eea06 |
18210548230 has 16 divisors (see below), whose sum is σ = 37461699360. Its totient is φ = 6243616512.
The previous prime is 18210548219. The next prime is 18210548243. The reversal of 18210548230 is 3284501281.
It is a happy number.
It is a super-2 number, since 2×182105482302 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
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, 130075275 + ... + 130075414.
It is an arithmetic number, because the mean of its divisors is an integer number (2341356210).
Almost surely, 218210548230 is an apocalyptic number.
18210548230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
18210548230 is an abundant number, since it is smaller than the sum of its proper divisors (19251151130).
18210548230 is a wasteful number, since it uses less digits than its factorization.
18210548230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 260150703.
The product of its (nonzero) digits is 15360, while the sum is 34.
The spelling of 18210548230 in words is "eighteen billion, two hundred ten million, five hundred forty-eight thousand, two hundred thirty".
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