Base | Representation |
---|---|
bin | 1011110000101010100… |
… | …1000100111011000100 |
3 | 201022111122200012012100 |
4 | 2330022221010323010 |
5 | 11302240223100030 |
6 | 232452233152100 |
7 | 20411534455635 |
oct | 2741251047304 |
9 | 638448605170 |
10 | 202042003140 |
11 | 7875a4973aa |
12 | 331a755b630 |
13 | 1608b3b1a63 |
14 | 9ac939188c |
15 | 53c7882360 |
hex | 2f0aa44ec4 |
202042003140 has 72 divisors (see below), whose sum is σ = 618588472320. Its totient is φ = 53374330944.
The previous prime is 202042003117. The next prime is 202042003147. The reversal of 202042003140 is 41300240202.
202042003140 is a `hidden beast` number, since 202 + 0 + 420 + 0 + 3 + 1 + 40 = 666.
202042003140 is digitally balanced in base 3, 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 (18).
It is not an unprimeable number, because it can be changed into a prime (202042003147) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5225860 + ... + 5264379.
It is an arithmetic number, because the mean of its divisors is an integer number (8591506560).
Almost surely, 2202042003140 is an apocalyptic number.
202042003140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
202042003140 is an abundant number, since it is smaller than the sum of its proper divisors (416546469180).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
202042003140 is a wasteful number, since it uses less digits than its factorization.
202042003140 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10490361 (or 10490356 counting only the distinct ones).
The product of its (nonzero) digits is 384, while the sum is 18.
Adding to 202042003140 its reverse (41300240202), we get a palindrome (243342243342).
The spelling of 202042003140 in words is "two hundred two billion, forty-two million, three thousand, one hundred forty".
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