Base | Representation |
---|---|
bin | 101110001101… |
… | …110101110011 |
3 | 211210112002101 |
4 | 232031311303 |
5 | 11100142230 |
6 | 1111401231 |
7 | 204656422 |
oct | 56156563 |
9 | 24715071 |
10 | 12115315 |
11 | 6925463 |
12 | 4083217 |
13 | 2682634 |
14 | 18752b9 |
15 | 10e4aca |
hex | b8dd73 |
12115315 has 8 divisors (see below), whose sum is σ = 14591808. Its totient is φ = 9656640.
The previous prime is 12115309. The next prime is 12115333. The reversal of 12115315 is 51351121.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 12115315 - 25 = 12115283 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 12115292 and 12115301.
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, 2907 + ... + 5716.
It is an arithmetic number, because the mean of its divisors is an integer number (1823976).
Almost surely, 212115315 is an apocalyptic number.
12115315 is a deficient number, since it is larger than the sum of its proper divisors (2476493).
12115315 is an equidigital number, since it uses as much as digits as its factorization.
12115315 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8909.
The product of its digits is 150, while the sum is 19.
The square root of 12115315 is about 3480.7061065249. The cubic root of 12115315 is about 229.6738603744.
Adding to 12115315 its reverse (51351121), we get a palindrome (63466436).
The spelling of 12115315 in words is "twelve million, one hundred fifteen thousand, three hundred fifteen".
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