Base | Representation |
---|---|
bin | 1011110101011001101… |
… | …0000101101010010100 |
3 | 201102210020112202110221 |
4 | 2331112122011222110 |
5 | 11312341131024140 |
6 | 233222322124124 |
7 | 20455201124233 |
oct | 2752632055224 |
9 | 642706482427 |
10 | 203313142420 |
11 | 79251a72133 |
12 | 334a11b0644 |
13 | 1623185348b |
14 | 9baa11cb1a |
15 | 544e27114a |
hex | 2f56685a94 |
203313142420 has 48 divisors (see below), whose sum is σ = 432974298960. Its totient is φ = 80180084736.
The previous prime is 203313142411. The next prime is 203313142463. The reversal of 203313142420 is 24241313302.
203313142420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 8 ways, for example, as 49019731216 + 154293411204 = 221404^2 + 392802^2 .
It is a congruent number.
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 15 ways as a sum of consecutive naturals, for example, 3935316 + ... + 3986644.
It is an arithmetic number, because the mean of its divisors is an integer number (9020297895).
Almost surely, 2203313142420 is an apocalyptic number.
203313142420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
203313142420 is an abundant number, since it is smaller than the sum of its proper divisors (229661156540).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
203313142420 is a wasteful number, since it uses less digits than its factorization.
203313142420 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 54124 (or 54122 counting only the distinct ones).
The product of its (nonzero) digits is 3456, while the sum is 25.
Adding to 203313142420 its reverse (24241313302), we get a palindrome (227554455722).
The spelling of 203313142420 in words is "two hundred three billion, three hundred thirteen million, one hundred forty-two thousand, four hundred twenty".
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