Base | Representation |
---|---|
bin | 1011101100110010111… |
… | …0110010011111101011 |
3 | 201012211021012021101000 |
4 | 2323030232302133223 |
5 | 11243123322010011 |
6 | 232201210330043 |
7 | 20344022654115 |
oct | 2731456623753 |
9 | 635737167330 |
10 | 201003313131 |
11 | 78277148205 |
12 | 32b57729923 |
13 | 15c5414939a |
14 | 9a2b4523b5 |
15 | 53665ac356 |
hex | 2eccbb27eb |
201003313131 has 64 divisors (see below), whose sum is σ = 304263331840. Its totient is φ = 131125871520.
The previous prime is 201003313111. The next prime is 201003313157. The reversal of 201003313131 is 131313300102.
It is a happy number.
201003313131 is a `hidden beast` number, since 20 + 1 + 0 + 0 + 331 + 313 + 1 = 666.
It is not a de Polignac number, because 201003313131 - 25 = 201003313099 is a prime.
It is a super-2 number, since 2×2010033131312 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (201003313111) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 99950916 + ... + 99952926.
It is an arithmetic number, because the mean of its divisors is an integer number (4754114560).
Almost surely, 2201003313131 is an apocalyptic number.
201003313131 is a deficient number, since it is larger than the sum of its proper divisors (103260018709).
201003313131 is a wasteful number, since it uses less digits than its factorization.
201003313131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2533 (or 2527 counting only the distinct ones).
The product of its (nonzero) digits is 162, while the sum is 18.
Adding to 201003313131 its reverse (131313300102), we get a palindrome (332316613233).
The spelling of 201003313131 in words is "two hundred one billion, three million, three hundred thirteen thousand, one hundred thirty-one".
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