Base | Representation |
---|---|
bin | 10010101110010100… |
… | …010111100100110101 |
3 | 1220220010001120202221 |
4 | 102232110113210311 |
5 | 312133214203323 |
6 | 13122540002341 |
7 | 1311130645660 |
oct | 225624274465 |
9 | 56803046687 |
10 | 20104444213 |
11 | 8587486557 |
12 | 3a90b303b1 |
13 | 1b85216249 |
14 | d8a1126d7 |
15 | 7c9eec55d |
hex | 4ae517935 |
20104444213 has 8 divisors (see below), whose sum is σ = 23768801280. Its totient is φ = 16638160560.
The previous prime is 20104444201. The next prime is 20104444301. The reversal of 20104444213 is 31244440102.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 20104444213 - 25 = 20104444181 is a prime.
It is a super-2 number, since 2×201044442132 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20104444513) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49518133 + ... + 49518538.
It is an arithmetic number, because the mean of its divisors is an integer number (2971100160).
Almost surely, 220104444213 is an apocalyptic number.
It is an amenable number.
20104444213 is a deficient number, since it is larger than the sum of its proper divisors (3664357067).
20104444213 is an equidigital number, since it uses as much as digits as its factorization.
20104444213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 99036707.
The product of its (nonzero) digits is 3072, while the sum is 25.
Adding to 20104444213 its reverse (31244440102), we get a palindrome (51348884315).
The spelling of 20104444213 in words is "twenty billion, one hundred four million, four hundred forty-four thousand, two hundred thirteen".
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