Base | Representation |
---|---|
bin | 10100000100011000000… |
… | …00011101111011111001 |
3 | 2102220211111010022222121 |
4 | 22002030000131323321 |
5 | 42244141141401332 |
6 | 1244434430321241 |
7 | 100550351513341 |
oct | 12021400357371 |
9 | 2386744108877 |
10 | 689543700217 |
11 | 246485495929 |
12 | b177a959221 |
13 | 500400884c8 |
14 | 25534723d21 |
15 | 12e0b114797 |
hex | a08c01def9 |
689543700217 has 8 divisors (see below), whose sum is σ = 744335029440. Its totient is φ = 636819968400.
The previous prime is 689543700203. The next prime is 689543700233. The reversal of 689543700217 is 712007345986.
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 689543700217 - 27 = 689543700089 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (689543700247) 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, 516898659 + ... + 516899992.
It is an arithmetic number, because the mean of its divisors is an integer number (93041878680).
It is a 1-persistent number, because it is pandigital, but 2⋅689543700217 = 1379087400434 is not.
Almost surely, 2689543700217 is an apocalyptic number.
It is an amenable number.
689543700217 is a deficient number, since it is larger than the sum of its proper divisors (54791329223).
689543700217 is a wasteful number, since it uses less digits than its factorization.
689543700217 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1033798703.
The product of its (nonzero) digits is 2540160, while the sum is 52.
The spelling of 689543700217 in words is "six hundred eighty-nine billion, five hundred forty-three million, seven hundred thousand, two hundred seventeen".
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