Base | Representation |
---|---|
bin | 10010111010001010… |
… | …010001001101100101 |
3 | 1221101221220112020200 |
4 | 102322022101031211 |
5 | 313040044421201 |
6 | 13154354221113 |
7 | 1316062462206 |
oct | 227212211545 |
9 | 57357815220 |
10 | 20303123301 |
11 | 867964704a |
12 | 3b27584799 |
13 | 1bb742a236 |
14 | da866d5ad |
15 | 7dc695386 |
hex | 4ba291365 |
20303123301 has 12 divisors (see below), whose sum is σ = 29328642720. Its totient is φ = 13534534440.
The previous prime is 20303123287. The next prime is 20303123311. The reversal of 20303123301 is 10332130302.
20303123301 is a `hidden beast` number, since 20 + 3 + 0 + 312 + 330 + 1 = 666.
It is not a de Polignac number, because 20303123301 - 27 = 20303123173 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20303123311) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 92170 + ... + 221588.
It is an arithmetic number, because the mean of its divisors is an integer number (2444053560).
Almost surely, 220303123301 is an apocalyptic number.
It is an amenable number.
20303123301 is a deficient number, since it is larger than the sum of its proper divisors (9025519419).
20303123301 is a wasteful number, since it uses less digits than its factorization.
20303123301 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 146856 (or 146853 counting only the distinct ones).
The product of its (nonzero) digits is 324, while the sum is 18.
Adding to 20303123301 its reverse (10332130302), we get a palindrome (30635253603).
The spelling of 20303123301 in words is "twenty billion, three hundred three million, one hundred twenty-three thousand, three hundred one".
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