Base | Representation |
---|---|
bin | 10011000001101110… |
… | …010001110011010101 |
3 | 1221201210122201001002 |
4 | 103001232101303111 |
5 | 313320040102123 |
6 | 13215125513045 |
7 | 1322163110111 |
oct | 230156216325 |
9 | 57653581032 |
10 | 20430003413 |
11 | 8734227a46 |
12 | 3b61b72785 |
13 | 1c077c2921 |
14 | dbb45a741 |
15 | 7e88a9528 |
hex | 4c1b91cd5 |
20430003413 has 4 divisors (see below), whose sum is σ = 20430289440. Its totient is φ = 20429717388.
The previous prime is 20430003401. The next prime is 20430003431. The reversal of 20430003413 is 31430003402.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.
It is a cyclic number.
It is not a de Polignac number, because 20430003413 - 226 = 20362894549 is a prime.
It is a super-3 number, since 3×204300034133 (a number of 32 digits) contains 333 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20430003493) 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 3 ways as a sum of consecutive naturals, for example, 64358 + ... + 212136.
It is an arithmetic number, because the mean of its divisors is an integer number (5107572360).
Almost surely, 220430003413 is an apocalyptic number.
It is an amenable number.
20430003413 is a deficient number, since it is larger than the sum of its proper divisors (286027).
20430003413 is a wasteful number, since it uses less digits than its factorization.
20430003413 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 286026.
The product of its (nonzero) digits is 864, while the sum is 20.
Adding to 20430003413 its reverse (31430003402), we get a palindrome (51860006815).
The spelling of 20430003413 in words is "twenty billion, four hundred thirty million, three thousand, four hundred thirteen".
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