Base | Representation |
---|---|
bin | 101110010001… |
… | …101111110010 |
3 | 211211100000221 |
4 | 232101233302 |
5 | 11101200224 |
6 | 1112003254 |
7 | 205054156 |
oct | 56215762 |
9 | 24740027 |
10 | 12131314 |
11 | 6936488 |
12 | 409052a |
13 | 26899c0 |
14 | 187b066 |
15 | 10e96e4 |
hex | b91bf2 |
12131314 has 16 divisors (see below), whose sum is σ = 19920600. Its totient is φ = 5506560.
The previous prime is 12131303. The next prime is 12131321. The reversal of 12131314 is 41313121.
It can be written as a sum of positive squares in 4 ways, for example, as 1782225 + 10349089 = 1335^2 + 3217^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2239 + ... + 5410.
Almost surely, 212131314 is an apocalyptic number.
12131314 is a deficient number, since it is larger than the sum of its proper divisors (7789286).
12131314 is a wasteful number, since it uses less digits than its factorization.
12131314 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7725.
The product of its digits is 72, while the sum is 16.
The square root of 12131314 is about 3483.0035888583. The cubic root of 12131314 is about 229.7749152731.
Adding to 12131314 its reverse (41313121), we get a palindrome (53444435).
The spelling of 12131314 in words is "twelve million, one hundred thirty-one thousand, three hundred fourteen".
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