Base | Representation |
---|---|
bin | 10111101110111… |
… | …01101110100101 |
3 | 111212121202211221 |
4 | 23313131232211 |
5 | 401431322221 |
6 | 31431100341 |
7 | 4635141403 |
oct | 1367355645 |
9 | 455552757 |
10 | 199089061 |
11 | a2420616 |
12 | 568116b1 |
13 | 323287a2 |
14 | 1c626473 |
15 | 12729541 |
hex | bdddba5 |
199089061 has 2 divisors, whose sum is σ = 199089062. Its totient is φ = 199089060.
The previous prime is 199089053. The next prime is 199089083. The reversal of 199089061 is 160980991.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 196868961 + 2220100 = 14031^2 + 1490^2 .
It is an emirp because it is prime and its reverse (160980991) is a distict prime. It is also a bemirp because it and its reverse can be mirrored producing other two distinct primes, 190680661 and 166086091.
It is a cyclic number.
It is not a de Polignac number, because 199089061 - 23 = 199089053 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 199088999 and 199089017.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (199089661) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99544530 + 99544531.
It is an arithmetic number, because the mean of its divisors is an integer number (99544531).
Almost surely, 2199089061 is an apocalyptic number.
It is an amenable number.
199089061 is a deficient number, since it is larger than the sum of its proper divisors (1).
199089061 is an equidigital number, since it uses as much as digits as its factorization.
199089061 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 34992, while the sum is 43.
The square root of 199089061 is about 14109.8923100072. The cubic root of 199089061 is about 583.9143289682.
The spelling of 199089061 in words is "one hundred ninety-nine million, eighty-nine thousand, sixty-one".
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