Base | Representation |
---|---|
bin | 110001100110110111… |
… | …1010000000000000001 |
3 | 101011222022201222220112 |
4 | 1203031233100000001 |
5 | 3221133404240224 |
6 | 120534543321105 |
7 | 10460635653521 |
oct | 1431557200001 |
9 | 334868658815 |
10 | 106530930689 |
11 | 411a7a29a87 |
12 | 18790bb0195 |
13 | a0798a0081 |
14 | 5228597681 |
15 | 2b8779a30e |
hex | 18cdbd0001 |
106530930689 has 4 divisors (see below), whose sum is σ = 106688288724. Its totient is φ = 106373572656.
The previous prime is 106530930677. The next prime is 106530930707. The reversal of 106530930689 is 986039035601.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 986039035601 = 126041 ⋅7823161.
It can be written as a sum of positive squares in 2 ways, for example, as 55881177664 + 50649753025 = 236392^2 + 225055^2 .
It is a cyclic number.
It is not a de Polignac number, because 106530930689 - 24 = 106530930673 is a prime.
It is a super-2 number, since 2×1065309306892 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (106530930619) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78678002 + ... + 78679355.
It is an arithmetic number, because the mean of its divisors is an integer number (26672072181).
Almost surely, 2106530930689 is an apocalyptic number.
It is an amenable number.
106530930689 is a deficient number, since it is larger than the sum of its proper divisors (157358035).
106530930689 is an equidigital number, since it uses as much as digits as its factorization.
106530930689 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 157358034.
The product of its (nonzero) digits is 1049760, while the sum is 50.
The spelling of 106530930689 in words is "one hundred six billion, five hundred thirty million, nine hundred thirty thousand, six hundred eighty-nine".
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