Base | Representation |
---|---|
bin | 1001111111011000… |
… | …1101010110110000 |
3 | 20220220020221021222 |
4 | 2133312031112300 |
5 | 20443014202244 |
6 | 1122040004212 |
7 | 123312551252 |
oct | 23766152660 |
9 | 6826227258 |
10 | 2681787824 |
11 | 1156887981 |
12 | 62a160668 |
13 | 3397ab001 |
14 | 1b6251cd2 |
15 | 10a688bee |
hex | 9fd8d5b0 |
2681787824 has 40 divisors (see below), whose sum is σ = 5372386800. Its totient is φ = 1295854848.
The previous prime is 2681787793. The next prime is 2681787839. The reversal of 2681787824 is 4287871862.
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, 73007 + ... + 103409.
It is an arithmetic number, because the mean of its divisors is an integer number (134309670).
Almost surely, 22681787824 is an apocalyptic number.
It is an amenable number.
2681787824 is an abundant number, since it is smaller than the sum of its proper divisors (2690598976).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2681787824 is a wasteful number, since it uses less digits than its factorization.
2681787824 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 30597 (or 30591 counting only the distinct ones).
The product of its digits is 2408448, while the sum is 53.
The square root of 2681787824 is about 51785.9809601015. The cubic root of 2681787824 is about 1389.3387162093.
The spelling of 2681787824 in words is "two billion, six hundred eighty-one million, seven hundred eighty-seven thousand, eight hundred twenty-four".
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