Base | Representation |
---|---|
bin | 10111110110101… |
… | …00110101101111 |
3 | 111221112012021201 |
4 | 23323110311233 |
5 | 402211214411 |
6 | 31504510331 |
7 | 4646555341 |
oct | 1373246557 |
9 | 457465251 |
10 | 200101231 |
11 | a2a52020 |
12 | 5701b3a7 |
13 | 325c13c5 |
14 | 1c80b291 |
15 | 128793c1 |
hex | bed4d6f |
200101231 has 16 divisors (see below), whose sum is σ = 228146688. Its totient is φ = 173880000.
The previous prime is 200101229. The next prime is 200101243. The reversal of 200101231 is 132101002.
It is a cyclic number.
It is not a de Polignac number, because 200101231 - 21 = 200101229 is a prime.
It is a super-2 number, since 2×2001012312 = 80081005295430722, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (200101631) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17731 + ... + 26731.
It is an arithmetic number, because the mean of its divisors is an integer number (14259168).
Almost surely, 2200101231 is an apocalyptic number.
200101231 is a deficient number, since it is larger than the sum of its proper divisors (28045457).
200101231 is a wasteful number, since it uses less digits than its factorization.
200101231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9102.
The product of its (nonzero) digits is 12, while the sum is 10.
The square root of 200101231 is about 14145.7142272845. The cubic root of 200101231 is about 584.9021980802.
Adding to 200101231 its reverse (132101002), we get a palindrome (332202233).
The spelling of 200101231 in words is "two hundred million, one hundred one thousand, two hundred thirty-one".
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