Base | Representation |
---|---|
bin | 10111110110111… |
… | …11000101010101 |
3 | 111221121022211201 |
4 | 23323133011111 |
5 | 402214040224 |
6 | 31505432501 |
7 | 4650121561 |
oct | 1373370525 |
9 | 457538751 |
10 | 200143189 |
11 | a2a805a4 |
12 | 5703b731 |
13 | 3260752c |
14 | 1c81c6a1 |
15 | 12886a44 |
hex | bedf155 |
200143189 has 2 divisors, whose sum is σ = 200143190. Its totient is φ = 200143188.
The previous prime is 200143157. The next prime is 200143201. The reversal of 200143189 is 981341002.
It is a happy number.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 112720689 + 87422500 = 10617^2 + 9350^2 .
It is a cyclic number.
It is not a de Polignac number, because 200143189 - 25 = 200143157 is a prime.
It is a super-2 number, since 2×2001431892 = 80114592206179442, which contains 22 as substring.
It is a Chen prime.
It is equal to p11086480 and since 200143189 and 11086480 have the same sum of digits, it is a Honaker prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (200143109) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100071594 + 100071595.
It is an arithmetic number, because the mean of its divisors is an integer number (100071595).
Almost surely, 2200143189 is an apocalyptic number.
It is an amenable number.
200143189 is a deficient number, since it is larger than the sum of its proper divisors (1).
200143189 is an equidigital number, since it uses as much as digits as its factorization.
200143189 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1728, while the sum is 28.
The square root of 200143189 is about 14147.1972135826. The cubic root of 200143189 is about 584.9430767415.
The spelling of 200143189 in words is "two hundred million, one hundred forty-three thousand, one hundred eighty-nine".
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