Base | Representation |
---|---|
bin | 10011000010000000… |
… | …00110101000001001 |
3 | 222101001202020120221 |
4 | 21201000012220021 |
5 | 131411120223224 |
6 | 4405505150041 |
7 | 511124025226 |
oct | 114100065011 |
9 | 28331666527 |
10 | 10217351689 |
11 | 4373479606 |
12 | 1b9192b321 |
13 | c6aa3b63c |
14 | 6ccd8094d |
15 | 3ebee36e4 |
hex | 261006a09 |
10217351689 has 2 divisors, whose sum is σ = 10217351690. Its totient is φ = 10217351688.
The previous prime is 10217351671. The next prime is 10217351719. The reversal of 10217351689 is 98615371201.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 9548612089 + 668739600 = 97717^2 + 25860^2 .
It is an emirp because it is prime and its reverse (98615371201) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 10217351689 - 223 = 10208963081 is a prime.
It is a super-2 number, since 2×102173516892 (a number of 21 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (10217351629) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5108675844 + 5108675845.
It is an arithmetic number, because the mean of its divisors is an integer number (5108675845).
Almost surely, 210217351689 is an apocalyptic number.
It is an amenable number.
10217351689 is a deficient number, since it is larger than the sum of its proper divisors (1).
10217351689 is an equidigital number, since it uses as much as digits as its factorization.
10217351689 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 90720, while the sum is 43.
The spelling of 10217351689 in words is "ten billion, two hundred seventeen million, three hundred fifty-one thousand, six hundred eighty-nine".
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