Base | Representation |
---|---|
bin | 1111101100010001… |
… | …0100111010000111 |
3 | 101212120000201021221 |
4 | 3323010110322013 |
5 | 32111311343211 |
6 | 1533550221211 |
7 | 206245145314 |
oct | 37304247207 |
9 | 11776021257 |
10 | 4212215431 |
11 | 187175a886 |
12 | 9967b4807 |
13 | 521894a88 |
14 | 2bd5d5d0b |
15 | 199be3c71 |
hex | fb114e87 |
4212215431 has 8 divisors (see below), whose sum is σ = 4443025280. Its totient is φ = 3982317048.
The previous prime is 4212215419. The next prime is 4212215573. The reversal of 4212215431 is 1345122124.
4212215431 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 4212215431 - 213 = 4212207239 is a prime.
It is a super-2 number, since 2×42122154312 = 35485517674309031522, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 4212215396 and 4212215405.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (4212515431) 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 7 ways as a sum of consecutive naturals, for example, 218361 + ... + 236866.
It is an arithmetic number, because the mean of its divisors is an integer number (555378160).
Almost surely, 24212215431 is an apocalyptic number.
4212215431 is a deficient number, since it is larger than the sum of its proper divisors (230809849).
4212215431 is a wasteful number, since it uses less digits than its factorization.
4212215431 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 455733.
The product of its digits is 1920, while the sum is 25.
The square root of 4212215431 is about 64901.5826540463. The cubic root of 4212215431 is about 1614.9913166534.
Adding to 4212215431 its reverse (1345122124), we get a palindrome (5557337555).
The spelling of 4212215431 in words is "four billion, two hundred twelve million, two hundred fifteen thousand, four hundred thirty-one".
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