Base | Representation |
---|---|
bin | 10010101110101011… |
… | …001011100010001111 |
3 | 1220220112022101210012 |
4 | 102232223023202033 |
5 | 312141232033312 |
6 | 13123312103435 |
7 | 1311232533236 |
oct | 225653134217 |
9 | 56815271705 |
10 | 20110424207 |
11 | 858a8a03a5 |
12 | 3a92b34b7b |
13 | 1b8652b0c3 |
14 | d8ac2bb1d |
15 | 7ca7ce322 |
hex | 4aeacb88f |
20110424207 has 4 divisors (see below), whose sum is σ = 20110858080. Its totient is φ = 20109990336.
The previous prime is 20110424197. The next prime is 20110424209. The reversal of 20110424207 is 70242401102.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 20110424207 - 26 = 20110424143 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20110424209) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137783 + ... + 243320.
It is an arithmetic number, because the mean of its divisors is an integer number (5027714520).
Almost surely, 220110424207 is an apocalyptic number.
20110424207 is a deficient number, since it is larger than the sum of its proper divisors (433873).
20110424207 is an equidigital number, since it uses as much as digits as its factorization.
20110424207 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 433872.
The product of its (nonzero) digits is 896, while the sum is 23.
Adding to 20110424207 its reverse (70242401102), we get a palindrome (90352825309).
The spelling of 20110424207 in words is "twenty billion, one hundred ten million, four hundred twenty-four thousand, two hundred seven".
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