Base | Representation |
---|---|
bin | 1100000100011110… |
… | …01111010111101101 |
3 | 121201121021010120021 |
4 | 12002033033113231 |
5 | 101232340003433 |
6 | 2551000522141 |
7 | 316403044501 |
oct | 60217172755 |
9 | 17647233507 |
10 | 6480000493 |
11 | 282587830a |
12 | 130a180351 |
13 | 7c366aa25 |
14 | 45687a301 |
15 | 27dd5022d |
hex | 1823cf5ed |
6480000493 has 2 divisors, whose sum is σ = 6480000494. Its totient is φ = 6480000492.
The previous prime is 6480000479. The next prime is 6480000539. The reversal of 6480000493 is 3940000846.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 4253387524 + 2226612969 = 65218^2 + 47187^2 .
It is a cyclic number.
It is not a de Polignac number, because 6480000493 - 229 = 5943129581 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (6480000193) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3240000246 + 3240000247.
It is an arithmetic number, because the mean of its divisors is an integer number (3240000247).
Almost surely, 26480000493 is an apocalyptic number.
It is an amenable number.
6480000493 is a deficient number, since it is larger than the sum of its proper divisors (1).
6480000493 is an equidigital number, since it uses as much as digits as its factorization.
6480000493 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 20736, while the sum is 34.
The square root of 6480000493 is about 80498.4502521632. The cubic root of 6480000493 is about 1864.3395508521.
The spelling of 6480000493 in words is "six billion, four hundred eighty million, four hundred ninety-three", and thus it is an aban number.
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