Base | Representation |
---|---|
bin | 11010101000111111101… |
… | …110110101111001101101 |
3 | 20111000102101122202000020 |
4 | 122220333232311321231 |
5 | 214443311134441414 |
6 | 3521005032552353 |
7 | 246160036253331 |
oct | 32507756657155 |
9 | 6430371582006 |
10 | 1830725312109 |
11 | 646451791411 |
12 | 2569822526b9 |
13 | 10383796c965 |
14 | 6487129d7c1 |
15 | 3294c1a47a9 |
hex | 1aa3fbb5e6d |
1830725312109 has 8 divisors (see below), whose sum is σ = 2474404988352. Its totient is φ = 1203764588640.
The previous prime is 1830725312069. The next prime is 1830725312159. The reversal of 1830725312109 is 9012135270381.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 1830725312109 - 211 = 1830725310061 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1830725312159) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4179737937 + ... + 4179738374.
It is an arithmetic number, because the mean of its divisors is an integer number (309300623544).
Almost surely, 21830725312109 is an apocalyptic number.
It is an amenable number.
1830725312109 is a deficient number, since it is larger than the sum of its proper divisors (643679676243).
1830725312109 is an equidigital number, since it uses as much as digits as its factorization.
1830725312109 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8359476387.
The product of its (nonzero) digits is 90720, while the sum is 42.
The spelling of 1830725312109 in words is "one trillion, eight hundred thirty billion, seven hundred twenty-five million, three hundred twelve thousand, one hundred nine".
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