Base | Representation |
---|---|
bin | 1011101101111010011… |
… | …0000101110110110111 |
3 | 201020121011011010001200 |
4 | 2323132212011312313 |
5 | 11244232033214111 |
6 | 232251034223543 |
7 | 20354322314655 |
oct | 2733646056667 |
9 | 636534133050 |
10 | 201303023031 |
11 | 78410343740 |
12 | 3301bb84bb3 |
13 | 15ca1275116 |
14 | 9a5918bdd5 |
15 | 5382a60256 |
hex | 2ede985db7 |
201303023031 has 24 divisors (see below), whose sum is σ = 333899754240. Its totient is φ = 115580682000.
The previous prime is 201303023017. The next prime is 201303023059. The reversal of 201303023031 is 130320303102.
It is not a de Polignac number, because 201303023031 - 27 = 201303022903 is a prime.
It is a super-2 number, since 2×2013030230312 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 201303022995 and 201303023013.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (201303023011) 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, 53507695 + ... + 53511456.
It is an arithmetic number, because the mean of its divisors is an integer number (13912489760).
Almost surely, 2201303023031 is an apocalyptic number.
201303023031 is a deficient number, since it is larger than the sum of its proper divisors (132596731209).
201303023031 is a wasteful number, since it uses less digits than its factorization.
201303023031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 107019187 (or 107019184 counting only the distinct ones).
The product of its (nonzero) digits is 324, while the sum is 18.
Adding to 201303023031 its reverse (130320303102), we get a palindrome (331623326133).
The spelling of 201303023031 in words is "two hundred one billion, three hundred three million, twenty-three thousand, thirty-one".
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