Base | Representation |
---|---|
bin | 11111000101100011011101… |
… | …01110000110011010011101 |
3 | 22222001012112202111102102222 |
4 | 33202301232232012122131 |
5 | 32430004410101434124 |
6 | 401220223435355125 |
7 | 20253613221421016 |
oct | 1742615656063235 |
9 | 288035482442388 |
10 | 68360557061789 |
11 | 1a86660533a443 |
12 | 78008982b2aa5 |
13 | 2c1b4b0271c95 |
14 | 12c495097800d |
15 | 7d83357b525e |
hex | 3e2c6eb8669d |
68360557061789 has 8 divisors (see below), whose sum is σ = 68829617937600. Its totient is φ = 67891711212000.
The previous prime is 68360557061743. The next prime is 68360557061809. The reversal of 68360557061789 is 98716075506386.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 68360557061789 - 224 = 68360540284573 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 (68360557061089) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53118464 + ... + 54390185.
It is an arithmetic number, because the mean of its divisors is an integer number (8603702242200).
Almost surely, 268360557061789 is an apocalyptic number.
It is an amenable number.
68360557061789 is a deficient number, since it is larger than the sum of its proper divisors (469060875811).
68360557061789 is a wasteful number, since it uses less digits than its factorization.
68360557061789 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 107513011.
The product of its (nonzero) digits is 457228800, while the sum is 71.
The spelling of 68360557061789 in words is "sixty-eight trillion, three hundred sixty billion, five hundred fifty-seven million, sixty-one thousand, seven hundred eighty-nine".
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