Base | Representation |
---|---|
bin | 11001010010100… |
… | …10111100110011 |
3 | 112210012102222202 |
4 | 30221102330303 |
5 | 413302331430 |
6 | 33015053415 |
7 | 5154156200 |
oct | 1451227463 |
9 | 483172882 |
10 | 212152115 |
11 | a983302a |
12 | 5b07126b |
13 | 34c505c6 |
14 | 20266ca7 |
15 | 13959d45 |
hex | ca52f33 |
212152115 has 24 divisors (see below), whose sum is σ = 309031200. Its totient is φ = 139147008.
The previous prime is 212152099. The next prime is 212152159. The reversal of 212152115 is 511251212.
It is not a de Polignac number, because 212152115 - 24 = 212152099 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13190 + ... + 24459.
It is an arithmetic number, because the mean of its divisors is an integer number (12876300).
Almost surely, 2212152115 is an apocalyptic number.
212152115 is a deficient number, since it is larger than the sum of its proper divisors (96879085).
212152115 is a wasteful number, since it uses less digits than its factorization.
212152115 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 37691 (or 37684 counting only the distinct ones).
The product of its digits is 200, while the sum is 20.
The square root of 212152115 is about 14565.4424924202. The cubic root of 212152115 is about 596.4157750388.
The spelling of 212152115 in words is "two hundred twelve million, one hundred fifty-two thousand, one hundred fifteen".
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