Base | Representation |
---|---|
bin | 110000001010111000… |
… | …0000010100110001101 |
3 | 100220000012101021200002 |
4 | 1200111300002212031 |
5 | 3143323144131224 |
6 | 115304354414045 |
7 | 10321304412251 |
oct | 1402560024615 |
9 | 326005337602 |
10 | 103444130189 |
11 | 3a963573094 |
12 | 1806b291325 |
13 | 99a7216cba |
14 | 5014638261 |
15 | 2a567ac9ae |
hex | 1815c0298d |
103444130189 has 2 divisors, whose sum is σ = 103444130190. Its totient is φ = 103444130188.
The previous prime is 103444130087. The next prime is 103444130191. The reversal of 103444130189 is 981031444301.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 67020407689 + 36423722500 = 258883^2 + 190850^2 .
It is a cyclic number.
It is not a de Polignac number, because 103444130189 - 216 = 103444064653 is a prime.
It is a super-3 number, since 3×1034441301893 (a number of 34 digits) contains 333 as substring.
It is a Sophie Germain prime.
Together with 103444130191, it forms a pair of twin primes.
It is a Chen prime.
It is a Curzon number.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (103444130989) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51722065094 + 51722065095.
It is an arithmetic number, because the mean of its divisors is an integer number (51722065095).
Almost surely, 2103444130189 is an apocalyptic number.
It is an amenable number.
103444130189 is a deficient number, since it is larger than the sum of its proper divisors (1).
103444130189 is an equidigital number, since it uses as much as digits as its factorization.
103444130189 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 41472, while the sum is 38.
The spelling of 103444130189 in words is "one hundred three billion, four hundred forty-four million, one hundred thirty thousand, one hundred eighty-nine".
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