Base | Representation |
---|---|
bin | 10110111010101010… |
… | …00110100010010001 |
3 | 1011202102200220020201 |
4 | 23131111012202101 |
5 | 200144111343441 |
6 | 5352500535201 |
7 | 613612511326 |
oct | 133525064221 |
9 | 34672626221 |
10 | 12303231121 |
11 | 5243942705 |
12 | 24743b1501 |
13 | 1210c2421c |
14 | 849dd2b4d |
15 | 4c01bbc31 |
hex | 2dd546891 |
12303231121 has 8 divisors (see below), whose sum is σ = 12730334400. Its totient is φ = 11876318160.
The previous prime is 12303231097. The next prime is 12303231131. The reversal of 12303231121 is 12113230321.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 12303231121 - 25 = 12303231089 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12303231131) 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, 90820 + ... + 181258.
It is an arithmetic number, because the mean of its divisors is an integer number (1591291800).
Almost surely, 212303231121 is an apocalyptic number.
It is an amenable number.
12303231121 is a deficient number, since it is larger than the sum of its proper divisors (427103279).
12303231121 is an equidigital number, since it uses as much as digits as its factorization.
12303231121 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 95159.
The product of its (nonzero) digits is 216, while the sum is 19.
Adding to 12303231121 its reverse (12113230321), we get a palindrome (24416461442).
The spelling of 12303231121 in words is "twelve billion, three hundred three million, two hundred thirty-one thousand, one hundred twenty-one".
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