Base | Representation |
---|---|
bin | 1011110100101101111… |
… | …1011101001101100111 |
3 | 201102022110221011121220 |
4 | 2331023133131031213 |
5 | 11312002240001411 |
6 | 233152220511423 |
7 | 20450515341054 |
oct | 2751337351547 |
9 | 642273834556 |
10 | 203130000231 |
11 | 79168653754 |
12 | 3344b9ab573 |
13 | 1620291c312 |
14 | 9b8da8802b |
15 | 543d146b06 |
hex | 2f4b7dd367 |
203130000231 has 8 divisors (see below), whose sum is σ = 286771765104. Its totient is φ = 127454117760.
The previous prime is 203130000167. The next prime is 203130000247. The reversal of 203130000231 is 132000031302.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 203130000231 - 26 = 203130000167 is a prime.
It is a super-2 number, since 2×2031300002312 (a number of 23 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 203130000231.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (203130010231) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1991470540 + ... + 1991470641.
It is an arithmetic number, because the mean of its divisors is an integer number (35846470638).
Almost surely, 2203130000231 is an apocalyptic number.
203130000231 is a deficient number, since it is larger than the sum of its proper divisors (83641764873).
203130000231 is a wasteful number, since it uses less digits than its factorization.
203130000231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3982941201.
The product of its (nonzero) digits is 108, while the sum is 15.
Adding to 203130000231 its reverse (132000031302), we get a palindrome (335130031533).
The spelling of 203130000231 in words is "two hundred three billion, one hundred thirty million, two hundred thirty-one", and thus it is an aban number.
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