Base | Representation |
---|---|
bin | 10111111111000… |
… | …10101010010011 |
3 | 112000121100022121 |
4 | 23333202222103 |
5 | 403002101134 |
6 | 31544315111 |
7 | 4662140431 |
oct | 1377425223 |
9 | 460540277 |
10 | 201206419 |
11 | a36373a7 |
12 | 57472a97 |
13 | 328ba46b |
14 | 1ca17d51 |
15 | 129e6ab4 |
hex | bfe2a93 |
201206419 has 2 divisors, whose sum is σ = 201206420. Its totient is φ = 201206418.
The previous prime is 201206413. The next prime is 201206449. The reversal of 201206419 is 914602102.
It is a weak prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-201206419 is a prime.
It is a super-2 number, since 2×2012064192 = 80968046093607122, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 201206393 and 201206402.
It is not a weakly prime, because it can be changed into another prime (201206413) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100603209 + 100603210.
It is an arithmetic number, because the mean of its divisors is an integer number (100603210).
Almost surely, 2201206419 is an apocalyptic number.
201206419 is a deficient number, since it is larger than the sum of its proper divisors (1).
201206419 is an equidigital number, since it uses as much as digits as its factorization.
201206419 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 864, while the sum is 25.
The square root of 201206419 is about 14184.7248475252. The cubic root of 201206419 is about 585.9770547458.
The spelling of 201206419 in words is "two hundred one million, two hundred six thousand, four hundred nineteen".
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