Base | Representation |
---|---|
bin | 101101110100… |
… | …001011100111 |
3 | 211121011220210 |
4 | 231310023213 |
5 | 11033311330 |
6 | 1105230503 |
7 | 204041130 |
oct | 55641347 |
9 | 24534823 |
10 | 12010215 |
11 | 68634a8 |
12 | 4032433 |
13 | 2646849 |
14 | 1848c87 |
15 | 10c38b0 |
hex | b742e7 |
12010215 has 32 divisors (see below), whose sum is σ = 22187520. Its totient is φ = 5433984.
The previous prime is 12010199. The next prime is 12010241. The reversal of 12010215 is 51201021.
It is not a de Polignac number, because 12010215 - 24 = 12010199 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 12010215.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10701 + ... + 11769.
It is an arithmetic number, because the mean of its divisors is an integer number (693360).
Almost surely, 212010215 is an apocalyptic number.
12010215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
12010215 is a deficient number, since it is larger than the sum of its proper divisors (10177305).
12010215 is a wasteful number, since it uses less digits than its factorization.
12010215 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1191.
The product of its (nonzero) digits is 20, while the sum is 12.
The square root of 12010215 is about 3465.5757097487. The cubic root of 12010215 is about 229.0077926195.
Adding to 12010215 its reverse (51201021), we get a palindrome (63211236).
The spelling of 12010215 in words is "twelve million, ten thousand, two hundred fifteen".
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