Base | Representation |
---|---|
bin | 101110010001… |
… | …111111011011 |
3 | 211211101102000 |
4 | 232101333123 |
5 | 11101213230 |
6 | 1112012043 |
7 | 205060116 |
oct | 56217733 |
9 | 24741360 |
10 | 12132315 |
11 | 6937208 |
12 | 4091023 |
13 | 268a2b0 |
14 | 187b57d |
15 | 10e9b60 |
hex | b91fdb |
12132315 has 64 divisors (see below), whose sum is σ = 24084480. Its totient is φ = 5754240.
The previous prime is 12132311. The next prime is 12132319. The reversal of 12132315 is 51323121.
It is an interprime number because it is at equal distance from previous prime (12132311) and next prime (12132319).
It is not a de Polignac number, because 12132315 - 22 = 12132311 is a prime.
It is not an unprimeable number, because it can be changed into a prime (12132311) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 54294 + ... + 54516.
It is an arithmetic number, because the mean of its divisors is an integer number (376320).
Almost surely, 212132315 is an apocalyptic number.
12132315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
12132315 is a deficient number, since it is larger than the sum of its proper divisors (11952165).
12132315 is a wasteful number, since it uses less digits than its factorization.
12132315 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 281 (or 275 counting only the distinct ones).
The product of its digits is 180, while the sum is 18.
The square root of 12132315 is about 3483.1472837077. The cubic root of 12132315 is about 229.7812349613.
Adding to 12132315 its reverse (51323121), we get a palindrome (63455436).
The spelling of 12132315 in words is "twelve million, one hundred thirty-two thousand, three hundred fifteen".
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