Base | Representation |
---|---|
bin | 1011111111111111111… |
… | …1111111111111111111 |
3 | 201201010112110100120002 |
4 | 2333333333333333333 |
5 | 11334203024231312 |
6 | 234412522344515 |
7 | 20615540513012 |
oct | 2777777777777 |
9 | 651115410502 |
10 | 206158430207 |
11 | 7a482071a44 |
12 | 33b5605b13b |
13 | 16596179012 |
14 | 9d99d71379 |
15 | 5568e544c2 |
hex | 2fffffffff |
206158430207 has 16 divisors (see below), whose sum is σ = 217181129472. Its totient is φ = 195308171520.
The previous prime is 206158430183. The next prime is 206158430209. The reversal of 206158430207 is 702034851602.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 206158430207 - 28 = 206158429951 is a prime.
It is a Duffinian number.
It is a plaindrome in base 4, base 8 and base 16.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (206158430209) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (37) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17740463 + ... + 17752079.
It is an arithmetic number, because the mean of its divisors is an integer number (13573820592).
Almost surely, 2206158430207 is an apocalyptic number.
206158430207 is a deficient number, since it is larger than the sum of its proper divisors (11022699265).
206158430207 is a wasteful number, since it uses less digits than its factorization.
206158430207 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18958.
The product of its (nonzero) digits is 80640, while the sum is 38.
The spelling of 206158430207 in words is "two hundred six billion, one hundred fifty-eight million, four hundred thirty thousand, two hundred seven".
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