Base | Representation |
---|---|
bin | 1100010111011100111… |
… | …1110010100011000101 |
3 | 202022101021201201121220 |
4 | 3011313033302203011 |
5 | 11440101212303123 |
6 | 241333335030553 |
7 | 21230544264000 |
oct | 3056717624305 |
9 | 668337651556 |
10 | 212454025413 |
11 | 82112838893 |
12 | 3521250b459 |
13 | 1705a55c996 |
14 | a3d6128537 |
15 | 57d69cace3 |
hex | 31773f28c5 |
212454025413 has 32 divisors (see below), whose sum is σ = 330694560000. Its totient is φ = 121274350848.
The previous prime is 212454025403. The next prime is 212454025417. The reversal of 212454025413 is 314520454212.
It is not a de Polignac number, because 212454025413 - 214 = 212454009029 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (212454025417) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 872313 + ... + 1088961.
It is an arithmetic number, because the mean of its divisors is an integer number (10334205000).
Almost surely, 2212454025413 is an apocalyptic number.
It is an amenable number.
212454025413 is a deficient number, since it is larger than the sum of its proper divisors (118240534587).
212454025413 is an equidigital number, since it uses as much as digits as its factorization.
212454025413 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 217626 (or 217612 counting only the distinct ones).
The product of its (nonzero) digits is 38400, while the sum is 33.
Adding to 212454025413 its reverse (314520454212), we get a palindrome (526974479625).
The spelling of 212454025413 in words is "two hundred twelve billion, four hundred fifty-four million, twenty-five thousand, four hundred thirteen".
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