Base | Representation |
---|---|
bin | 111110001101100… |
… | …0000000011000000 |
3 | 12101110220121000001 |
4 | 1330123000003000 |
5 | 13233341442424 |
6 | 543045205344 |
7 | 102505025260 |
oct | 17433000300 |
9 | 5343817001 |
10 | 2087452864 |
11 | 981349262 |
12 | 4a3100854 |
13 | 273616b13 |
14 | 15b3417a0 |
15 | c33d9844 |
hex | 7c6c00c0 |
2087452864 has 28 divisors (see below), whose sum is σ = 4734045904. Its totient is φ = 894622464.
The previous prime is 2087452819. The next prime is 2087452867. The reversal of 2087452864 is 4682547802.
It is a tau number, because it is divible by the number of its divisors (28).
It is not an unprimeable number, because it can be changed into a prime (2087452867) by changing a digit.
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 3 ways as a sum of consecutive naturals, for example, 2329299 + ... + 2330194.
It is an arithmetic number, because the mean of its divisors is an integer number (169073068).
Almost surely, 22087452864 is an apocalyptic number.
It is an amenable number.
2087452864 is an abundant number, since it is smaller than the sum of its proper divisors (2646593040).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2087452864 is an equidigital number, since it uses as much as digits as its factorization.
2087452864 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4659512 (or 4659502 counting only the distinct ones).
The product of its (nonzero) digits is 860160, while the sum is 46.
The square root of 2087452864 is about 45688.6513698971. The cubic root of 2087452864 is about 1278.0236557868.
The spelling of 2087452864 in words is "two billion, eighty-seven million, four hundred fifty-two thousand, eight hundred sixty-four".
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