Base | Representation |
---|---|
bin | 11111010000000000100000… |
… | …00101101010110001010101 |
3 | 100000022112200022002110001122 |
4 | 33220000100011222301111 |
5 | 33001401020121013430 |
6 | 402053225451133325 |
7 | 20321560245542066 |
oct | 1750002005526125 |
9 | 300275608073048 |
10 | 68719746657365 |
11 | 1a994976516981 |
12 | 785a420144245 |
13 | 2c4632397420b |
14 | 12d80a6a9656d |
15 | 7e2859496ee5 |
hex | 3e801016ac55 |
68719746657365 has 8 divisors (see below), whose sum is σ = 82895443089408. Its totient is φ = 54687965925520.
The previous prime is 68719746657329. The next prime is 68719746657413. The reversal of 68719746657365 is 56375664791786.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 68719746657365 - 28 = 68719746657109 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 68719746657365.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35978923997 + ... + 35978925906.
It is an arithmetic number, because the mean of its divisors is an integer number (10361930386176).
Almost surely, 268719746657365 is an apocalyptic number.
It is an amenable number.
68719746657365 is a deficient number, since it is larger than the sum of its proper divisors (14175696432043).
68719746657365 is a wasteful number, since it uses less digits than its factorization.
68719746657365 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 71957850099.
The product of its digits is 9601804800, while the sum is 80.
The spelling of 68719746657365 in words is "sixty-eight trillion, seven hundred nineteen billion, seven hundred forty-six million, six hundred fifty-seven thousand, three hundred sixty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.087 sec. • engine limits •