Base | Representation |
---|---|
bin | 1010011110010000… |
… | …0000001010100010 |
3 | 21020220211102121011 |
4 | 2213210000022202 |
5 | 21224133423210 |
6 | 1142542251134 |
7 | 126444041242 |
oct | 24744001242 |
9 | 7226742534 |
10 | 2811232930 |
11 | 121295aa00 |
12 | 665586aaa |
13 | 35a56104c |
14 | 1c9509b22 |
15 | 116c07d8a |
hex | a79002a2 |
2811232930 has 96 divisors (see below), whose sum is σ = 5779154304. Its totient is φ = 983136000.
The previous prime is 2811232909. The next prime is 2811232961. The reversal of 2811232930 is 392321182.
It is a junction number, because it is equal to n+sod(n) for n = 2811232892 and 2811232901.
It is an unprimeable number.
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 47 ways as a sum of consecutive naturals, for example, 3693750 + ... + 3694510.
It is an arithmetic number, because the mean of its divisors is an integer number (60199524).
Almost surely, 22811232930 is an apocalyptic number.
2811232930 is an abundant number, since it is smaller than the sum of its proper divisors (2967921374).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2811232930 is a wasteful number, since it uses less digits than its factorization.
2811232930 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 904 (or 893 counting only the distinct ones).
The product of its (nonzero) digits is 5184, while the sum is 31.
The square root of 2811232930 is about 53021.0611926996. The cubic root of 2811232930 is about 1411.3420366328.
The spelling of 2811232930 in words is "two billion, eight hundred eleven million, two hundred thirty-two thousand, nine hundred thirty".
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