Base | Representation |
---|---|
bin | 111111110100100001… |
… | …001010010101001101 |
3 | 20112212202100022200010 |
4 | 333310201022111031 |
5 | 2110320332440323 |
6 | 51251504023433 |
7 | 4644105361623 |
oct | 776441122515 |
9 | 215782308603 |
10 | 68526843213 |
11 | 27075686624 |
12 | 11345601b79 |
13 | 660119354a |
14 | 34610dd513 |
15 | 1bb1119c93 |
hex | ff484a54d |
68526843213 has 8 divisors (see below), whose sum is σ = 91538015776. Its totient is φ = 45600116400.
The previous prime is 68526843193. The next prime is 68526843247. The reversal of 68526843213 is 31234862586.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 68526843213 - 25 = 68526843181 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68526843613) 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 in 7 ways as a sum of consecutive naturals, for example, 21109543 + ... + 21112788.
It is an arithmetic number, because the mean of its divisors is an integer number (11442251972).
Almost surely, 268526843213 is an apocalyptic number.
It is an amenable number.
68526843213 is a deficient number, since it is larger than the sum of its proper divisors (23011172563).
68526843213 is a wasteful number, since it uses less digits than its factorization.
68526843213 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 42222875.
The product of its digits is 1658880, while the sum is 48.
The spelling of 68526843213 in words is "sixty-eight billion, five hundred twenty-six million, eight hundred forty-three thousand, two hundred thirteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •