Base | Representation |
---|---|
bin | 100000010010100010… |
… | …1110010001010000001 |
3 | 20121222112201212110212 |
4 | 1000211011302022001 |
5 | 2114002441444024 |
6 | 51504414203505 |
7 | 5003232102056 |
oct | 1004505621201 |
9 | 217875655425 |
10 | 69341749889 |
11 | 27453679015 |
12 | 115324b3595 |
13 | 6700c65449 |
14 | 34db42902d |
15 | 1c0c938a0e |
hex | 1025172281 |
69341749889 has 2 divisors, whose sum is σ = 69341749890. Its totient is φ = 69341749888.
The previous prime is 69341749849. The next prime is 69341749891. The reversal of 69341749889 is 98894714396.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 52524847489 + 16816902400 = 229183^2 + 129680^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-69341749889 is a prime.
Together with 69341749891, it forms a pair of twin primes.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (69341749849) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34670874944 + 34670874945.
It is an arithmetic number, because the mean of its divisors is an integer number (34670874945).
Almost surely, 269341749889 is an apocalyptic number.
It is an amenable number.
69341749889 is a deficient number, since it is larger than the sum of its proper divisors (1).
69341749889 is an equidigital number, since it uses as much as digits as its factorization.
69341749889 is an evil number, because the sum of its binary digits is even.
The product of its digits is 94058496, while the sum is 68.
The spelling of 69341749889 in words is "sixty-nine billion, three hundred forty-one million, seven hundred forty-nine thousand, eight hundred eighty-nine".
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