Base | Representation |
---|---|
bin | 1011110100101101111… |
… | …1100000001010001100 |
3 | 201102022110221210011220 |
4 | 2331023133200022030 |
5 | 11312002240343200 |
6 | 233152221043340 |
7 | 20450515421205 |
oct | 2751337401214 |
9 | 642273853156 |
10 | 203130012300 |
11 | 79168661826 |
12 | 3344b9b6550 |
13 | 16202924967 |
14 | 9b8da8c5ac |
15 | 543d14a4a0 |
hex | 2f4b7e028c |
203130012300 has 72 divisors (see below), whose sum is σ = 588175021056. Its totient is φ = 54126327360.
The previous prime is 203130012299. The next prime is 203130012313. The reversal of 203130012300 is 3210031302.
203130012300 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a self number, because there is not a number n which added to its sum of digits gives 203130012300.
It is an unprimeable number.
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 23 ways as a sum of consecutive naturals, for example, 131077 + ... + 650723.
Almost surely, 2203130012300 is an apocalyptic number.
203130012300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
203130012300 is an abundant number, since it is smaller than the sum of its proper divisors (385045008756).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
203130012300 is a wasteful number, since it uses less digits than its factorization.
203130012300 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 520967 (or 520960 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 15.
Adding to 203130012300 its reverse (3210031302), we get a palindrome (206340043602).
The spelling of 203130012300 in words is "two hundred three billion, one hundred thirty million, twelve thousand, three hundred".
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