Base | Representation |
---|---|
bin | 110110010001111… |
… | …1001001101100100 |
3 | 11200221012002201120 |
4 | 1230203321031210 |
5 | 12212231124313 |
6 | 500421453540 |
7 | 63064131354 |
oct | 15443711544 |
9 | 4627162646 |
10 | 1821348708 |
11 | 855116273 |
12 | 429b712b0 |
13 | 23045633a |
14 | 133c72b64 |
15 | a9d73d23 |
hex | 6c8f9364 |
1821348708 has 24 divisors (see below), whose sum is σ = 4264945440. Its totient is φ = 604954560.
The previous prime is 1821348707. The next prime is 1821348719. The reversal of 1821348708 is 8078431281.
1821348708 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×18213487082 = 6634622232266538528, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 1821348708.
It is not an unprimeable number, because it can be changed into a prime (1821348707) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 266698 + ... + 273441.
It is an arithmetic number, because the mean of its divisors is an integer number (177706060).
Almost surely, 21821348708 is an apocalyptic number.
It is an amenable number.
1821348708 is an abundant number, since it is smaller than the sum of its proper divisors (2443596732).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1821348708 is a wasteful number, since it uses less digits than its factorization.
1821348708 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 540427 (or 540425 counting only the distinct ones).
The product of its (nonzero) digits is 86016, while the sum is 42.
The square root of 1821348708 is about 42677.2621896016. The cubic root of 1821348708 is about 1221.2306644580.
Adding to 1821348708 its reverse (8078431281), we get a palindrome (9899779989).
The spelling of 1821348708 in words is "one billion, eight hundred twenty-one million, three hundred forty-eight thousand, seven hundred eight".
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