Base | Representation |
---|---|
bin | 1111100011010… |
… | …00001010111101 |
3 | 100002110112220112 |
4 | 13301220022331 |
5 | 231343400414 |
6 | 20535555405 |
7 | 3142544006 |
oct | 761501275 |
9 | 302415815 |
10 | 130450109 |
11 | 676aa109 |
12 | 3782bb65 |
13 | 2104561a |
14 | 1347a1ad |
15 | b6bbd3e |
hex | 7c682bd |
130450109 has 2 divisors, whose sum is σ = 130450110. Its totient is φ = 130450108.
The previous prime is 130450097. The next prime is 130450127. The reversal of 130450109 is 901054031.
It is a happy number.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 89208025 + 41242084 = 9445^2 + 6422^2 .
It is an emirp because it is prime and its reverse (901054031) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 130450109 - 28 = 130449853 is a prime.
It is a super-2 number, since 2×1304501092 = 34034461876223762, which contains 22 as substring.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (130450169) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65225054 + 65225055.
It is an arithmetic number, because the mean of its divisors is an integer number (65225055).
Almost surely, 2130450109 is an apocalyptic number.
It is an amenable number.
130450109 is a deficient number, since it is larger than the sum of its proper divisors (1).
130450109 is an equidigital number, since it uses as much as digits as its factorization.
130450109 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 540, while the sum is 23.
The square root of 130450109 is about 11421.4757803009. The cubic root of 130450109 is about 507.1636850610.
The spelling of 130450109 in words is "one hundred thirty million, four hundred fifty thousand, one hundred nine".
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