Base | Representation |
---|---|
bin | 110001001001000011… |
… | …0010100011011111101 |
3 | 101002101120221222200012 |
4 | 1202102012110123331 |
5 | 3212111232021323 |
6 | 120251401313005 |
7 | 10424066063636 |
oct | 1422206243375 |
9 | 332346858605 |
10 | 105530345213 |
11 | 40834146337 |
12 | 18551a95765 |
13 | 9c4a4b9567 |
14 | 517173688d |
15 | 2b29a00678 |
hex | 18921946fd |
105530345213 has 2 divisors, whose sum is σ = 105530345214. Its totient is φ = 105530345212.
The previous prime is 105530345177. The next prime is 105530345227. The reversal of 105530345213 is 312543035501.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 81597636409 + 23932708804 = 285653^2 + 154702^2 .
It is a cyclic number.
It is not a de Polignac number, because 105530345213 - 214 = 105530328829 is a prime.
It is a super-2 number, since 2×1055303452132 (a number of 23 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 105530345213.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (105530345113) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52765172606 + 52765172607.
It is an arithmetic number, because the mean of its divisors is an integer number (52765172607).
Almost surely, 2105530345213 is an apocalyptic number.
It is an amenable number.
105530345213 is a deficient number, since it is larger than the sum of its proper divisors (1).
105530345213 is an equidigital number, since it uses as much as digits as its factorization.
105530345213 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 27000, while the sum is 32.
The spelling of 105530345213 in words is "one hundred five billion, five hundred thirty million, three hundred forty-five thousand, two hundred thirteen".
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