Base | Representation |
---|---|
bin | 1100000111100100110… |
… | …1111100000011111101 |
3 | 201220101021012212102000 |
4 | 3001321031330003331 |
5 | 11402334141032404 |
6 | 235350411452513 |
7 | 21020123611602 |
oct | 3017115740375 |
9 | 656337185360 |
10 | 208192127229 |
11 | 80326034689 |
12 | 34423157139 |
13 | 1682b5c1038 |
14 | a1100bc6a9 |
15 | 5637771339 |
hex | 307937c0fd |
208192127229 has 16 divisors (see below), whose sum is σ = 308549408640. Its totient is φ = 138742269120.
The previous prime is 208192127203. The next prime is 208192127309. The reversal of 208192127229 is 922721291802.
208192127229 is a `hidden beast` number, since 208 + 1 + 9 + 212 + 7 + 229 = 666.
It is not a de Polignac number, because 208192127229 - 25 = 208192127197 is a prime.
It is a super-2 number, since 2×2081921272292 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (208192127629) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1385052 + ... + 1527989.
It is an arithmetic number, because the mean of its divisors is an integer number (19284338040).
Almost surely, 2208192127229 is an apocalyptic number.
It is an amenable number.
208192127229 is a deficient number, since it is larger than the sum of its proper divisors (100357281411).
208192127229 is a wasteful number, since it uses less digits than its factorization.
208192127229 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2915697 (or 2915691 counting only the distinct ones).
The product of its (nonzero) digits is 145152, while the sum is 45.
The spelling of 208192127229 in words is "two hundred eight billion, one hundred ninety-two million, one hundred twenty-seven thousand, two hundred twenty-nine".
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