Base | Representation |
---|---|
bin | 110000001001101110… |
… | …0101010111011001101 |
3 | 100212220111200120100112 |
4 | 1200103130222323031 |
5 | 3143233301414221 |
6 | 115300454405405 |
7 | 10320325142165 |
oct | 1402334527315 |
9 | 325814616315 |
10 | 103405498061 |
11 | 3a943787208 |
12 | 1805a360865 |
13 | 999c20bc58 |
14 | 500d45d5a5 |
15 | 2a531cb15b |
hex | 181372aecd |
103405498061 has 2 divisors, whose sum is σ = 103405498062. Its totient is φ = 103405498060.
The previous prime is 103405498003. The next prime is 103405498087. The reversal of 103405498061 is 160894504301.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 103394402500 + 11095561 = 321550^2 + 3331^2 .
It is an emirp because it is prime and its reverse (160894504301) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 103405498061 - 214 = 103405481677 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (103405491061) 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, 51702749030 + 51702749031.
It is an arithmetic number, because the mean of its divisors is an integer number (51702749031).
Almost surely, 2103405498061 is an apocalyptic number.
It is an amenable number.
103405498061 is a deficient number, since it is larger than the sum of its proper divisors (1).
103405498061 is an equidigital number, since it uses as much as digits as its factorization.
103405498061 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 103680, while the sum is 41.
The spelling of 103405498061 in words is "one hundred three billion, four hundred five million, four hundred ninety-eight thousand, sixty-one".
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