Base | Representation |
---|---|
bin | 101110010001… |
… | …111101101001 |
3 | 211211101020210 |
4 | 232101331221 |
5 | 11101212301 |
6 | 1112011333 |
7 | 205056564 |
oct | 56217551 |
9 | 24741223 |
10 | 12132201 |
11 | 6937114 |
12 | 4090b49 |
13 | 268a223 |
14 | 187b4db |
15 | 10e9ad6 |
hex | b91f69 |
12132201 has 8 divisors (see below), whose sum is σ = 16879680. Its totient is φ = 7736432.
The previous prime is 12132151. The next prime is 12132217. The reversal of 12132201 is 10223121.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 12132201 - 27 = 12132073 is a prime.
It is a super-2 number, since 2×121322012 = 294380602208802, which contains 22 as substring.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (12132301) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87846 + ... + 87983.
It is an arithmetic number, because the mean of its divisors is an integer number (2109960).
Almost surely, 212132201 is an apocalyptic number.
It is an amenable number.
12132201 is a deficient number, since it is larger than the sum of its proper divisors (4747479).
12132201 is a wasteful number, since it uses less digits than its factorization.
12132201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 175855.
The product of its (nonzero) digits is 24, while the sum is 12.
The square root of 12132201 is about 3483.1309191588. The cubic root of 12132201 is about 229.7805152541.
Adding to 12132201 its reverse (10223121), we get a palindrome (22355322).
The spelling of 12132201 in words is "twelve million, one hundred thirty-two thousand, two hundred one".
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