Base | Representation |
---|---|
bin | 111011111010011010… |
… | …000001000101110001 |
3 | 20011001022111110011100 |
4 | 323322122001011301 |
5 | 2023222122310403 |
6 | 45315245235013 |
7 | 4435113433062 |
oct | 737232010561 |
9 | 204038443140 |
10 | 64330666353 |
11 | 25311a90868 |
12 | 10574262a69 |
13 | 60b2a25a65 |
14 | 3183ac0569 |
15 | 1a17a432a3 |
hex | efa681171 |
64330666353 has 24 divisors (see below), whose sum is σ = 93599041536. Its totient is φ = 42575040000.
The previous prime is 64330666277. The next prime is 64330666369. The reversal of 64330666353 is 35366603346.
64330666353 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 64330666353 - 212 = 64330662257 is a prime.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 64330666299 and 64330666308.
It is not an unprimeable number, because it can be changed into a prime (64330666373) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2160976 + ... + 2190542.
It is an arithmetic number, because the mean of its divisors is an integer number (3899960064).
Almost surely, 264330666353 is an apocalyptic number.
It is an amenable number.
64330666353 is a deficient number, since it is larger than the sum of its proper divisors (29268375183).
64330666353 is a wasteful number, since it uses less digits than its factorization.
64330666353 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 31325 (or 31322 counting only the distinct ones).
The product of its (nonzero) digits is 2099520, while the sum is 45.
The spelling of 64330666353 in words is "sixty-four billion, three hundred thirty million, six hundred sixty-six thousand, three hundred fifty-three".
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