Base | Representation |
---|---|
bin | 10111111101101… |
… | …11101001101111 |
3 | 112000021101200000 |
4 | 23332313221233 |
5 | 402430432010 |
6 | 31540435343 |
7 | 4660505016 |
oct | 1376675157 |
9 | 460241600 |
10 | 201030255 |
11 | a3527008 |
12 | 573a8b53 |
13 | 3285821a |
14 | 1c9ada7d |
15 | 129ae7c0 |
hex | bfb7a6f |
201030255 has 24 divisors (see below), whose sum is σ = 361360272. Its totient is φ = 107215488.
The previous prime is 201030251. The next prime is 201030259. The reversal of 201030255 is 552030102.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (201030251) and next prime (201030259).
It is not a de Polignac number, because 201030255 - 22 = 201030251 is a prime.
It is a super-3 number, since 3×2010302553 (a number of 26 digits) contains 333 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (201030251) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 81514 + ... + 83943.
It is an arithmetic number, because the mean of its divisors is an integer number (15056678).
Almost surely, 2201030255 is an apocalyptic number.
201030255 is a deficient number, since it is larger than the sum of its proper divisors (160330017).
201030255 is an equidigital number, since it uses as much as digits as its factorization.
201030255 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 165477 (or 165465 counting only the distinct ones).
The product of its (nonzero) digits is 300, while the sum is 18.
The square root of 201030255 is about 14178.5138501890. The cubic root of 201030255 is about 585.8059896214.
Adding to 201030255 its reverse (552030102), we get a palindrome (753060357).
The spelling of 201030255 in words is "two hundred one million, thirty thousand, two hundred fifty-five".
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