Base | Representation |
---|---|
bin | 110010111011110010… |
… | …1011001000101001001 |
3 | 101110022220122202022121 |
4 | 1211313211121011021 |
5 | 3243002400120121 |
6 | 122125415051241 |
7 | 10621356452521 |
oct | 1456745310511 |
9 | 343286582277 |
10 | 109380473161 |
11 | 4242a475463 |
12 | 19247370b21 |
13 | a41205538b |
14 | 5418bd6681 |
15 | 2ca2a1e141 |
hex | 1977959149 |
109380473161 has 2 divisors, whose sum is σ = 109380473162. Its totient is φ = 109380473160.
The previous prime is 109380473159. The next prime is 109380473221. The reversal of 109380473161 is 161374083901.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 103728440761 + 5652032400 = 322069^2 + 75180^2 .
It is a cyclic number.
It is not a de Polignac number, because 109380473161 - 21 = 109380473159 is a prime.
Together with 109380473159, it forms a pair of twin primes.
It is not a weakly prime, because it can be changed into another prime (109380473101) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54690236580 + 54690236581.
It is an arithmetic number, because the mean of its divisors is an integer number (54690236581).
Almost surely, 2109380473161 is an apocalyptic number.
It is an amenable number.
109380473161 is a deficient number, since it is larger than the sum of its proper divisors (1).
109380473161 is an equidigital number, since it uses as much as digits as its factorization.
109380473161 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 108864, while the sum is 43.
The spelling of 109380473161 in words is "one hundred nine billion, three hundred eighty million, four hundred seventy-three thousand, one hundred sixty-one".
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