Base | Representation |
---|---|
bin | 101110010000… |
… | …000010011011 |
3 | 211210222102201 |
4 | 232100002123 |
5 | 11100434230 |
6 | 1111511031 |
7 | 205024600 |
oct | 56200233 |
9 | 24728381 |
10 | 12124315 |
11 | 69311a5 |
12 | 4088477 |
13 | 2686768 |
14 | 18786a7 |
15 | 10e75ca |
hex | b9009b |
12124315 has 48 divisors (see below), whose sum is σ = 18615744. Its totient is φ = 7526400.
The previous prime is 12124313. The next prime is 12124327. The reversal of 12124315 is 51342121.
12124315 is nontrivially palindromic in base 16.
It is not a de Polignac number, because 12124315 - 21 = 12124313 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 12124292 and 12124301.
It is not an unprimeable number, because it can be changed into a prime (12124313) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 170730 + ... + 170800.
It is an arithmetic number, because the mean of its divisors is an integer number (387828).
Almost surely, 212124315 is an apocalyptic number.
12124315 is a deficient number, since it is larger than the sum of its proper divisors (6491429).
12124315 is a wasteful number, since it uses less digits than its factorization.
12124315 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 148 (or 141 counting only the distinct ones).
The product of its digits is 240, while the sum is 19.
The square root of 12124315 is about 3481.9987076390. The cubic root of 12124315 is about 229.7307182469.
Adding to 12124315 its reverse (51342121), we get a palindrome (63466436).
The spelling of 12124315 in words is "twelve million, one hundred twenty-four thousand, three hundred fifteen".
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