Base | Representation |
---|---|
bin | 101010111001011010110100… |
… | …110111101110111010011001 |
3 | 220202000002011101001122220001 |
4 | 222321122310313232322121 |
5 | 144212031344043444144 |
6 | 1505130534414133001 |
7 | 54511336021641544 |
oct | 5271326467567231 |
9 | 822002141048801 |
10 | 188663767953049 |
11 | 55128944611a94 |
12 | 191b03761b1161 |
13 | 8136bbc7b04bc |
14 | 348353736b85b |
15 | 16c289e429bd4 |
hex | ab96b4deee99 |
188663767953049 has 9 divisors (see below), whose sum is σ = 191083245667797. Its totient is φ = 186274547623164.
The previous prime is 188663767952977. The next prime is 188663767953071. The reversal of 188663767953049 is 940359767366881.
It is a happy number.
The square root of 188663767953049 is 13735493.
It is a perfect power (a square), and thus also a powerful number.
It is not a de Polignac number, because 188663767953049 - 225 = 188663734398617 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (188663767953079) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (29) of ones.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1085017014 + ... + 1085190880.
Almost surely, 2188663767953049 is an apocalyptic number.
188663767953049 is the 13735493-rd square number.
188663767953049 is the 6867747-th centered octagonal number.
It is an amenable number.
188663767953049 is a deficient number, since it is larger than the sum of its proper divisors (2419477714748).
188663767953049 is an frugal number, since it uses more digits than its factorization.
188663767953049 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 347892 (or 173946 counting only the distinct ones).
The product of its (nonzero) digits is 9876142080, while the sum is 82.
The spelling of 188663767953049 in words is "one hundred eighty-eight trillion, six hundred sixty-three billion, seven hundred sixty-seven million, nine hundred fifty-three thousand, forty-nine".
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