Base | Representation |
---|---|
bin | 1100011000001… |
… | …01001001011101 |
3 | 21020101010010121 |
4 | 12030011021131 |
5 | 203040030414 |
6 | 14145234541 |
7 | 2400353455 |
oct | 614051135 |
9 | 236333117 |
10 | 103830109 |
11 | 53678109 |
12 | 2a932a51 |
13 | 18684c46 |
14 | db0ad65 |
15 | 91ae724 |
hex | 630525d |
103830109 has 2 divisors, whose sum is σ = 103830110. Its totient is φ = 103830108.
The previous prime is 103830091. The next prime is 103830131. The reversal of 103830109 is 901038301.
Together with previous prime (103830091) it forms an Ormiston pair, because they use the same digits, order apart.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 100600900 + 3229209 = 10030^2 + 1797^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-103830109 is a prime.
It is an alternating number because its digits alternate between odd and even.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (103830709) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51915054 + 51915055.
It is an arithmetic number, because the mean of its divisors is an integer number (51915055).
Almost surely, 2103830109 is an apocalyptic number.
It is an amenable number.
103830109 is a deficient number, since it is larger than the sum of its proper divisors (1).
103830109 is an equidigital number, since it uses as much as digits as its factorization.
103830109 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 648, while the sum is 25.
The square root of 103830109 is about 10189.7060310884. The cubic root of 103830109 is about 470.0107270828.
The spelling of 103830109 in words is "one hundred three million, eight hundred thirty thousand, one hundred nine".
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