Base | Representation |
---|---|
bin | 10010101000110011… |
… | …110101100100001111 |
3 | 1220122200011110121120 |
4 | 102220303311210033 |
5 | 311441034431343 |
6 | 13105435132023 |
7 | 1305626310303 |
oct | 225063654417 |
9 | 56580143546 |
10 | 20012030223 |
11 | 853a2a6559 |
12 | 3a65ba4013 |
13 | 1b6c02a603 |
14 | d7bb37d03 |
15 | 7c1d45683 |
hex | 4a8cf590f |
20012030223 has 8 divisors (see below), whose sum is σ = 26761885488. Its totient is φ = 13301764224.
The previous prime is 20012030189. The next prime is 20012030239. The reversal of 20012030223 is 32203021002.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 20012030223 - 217 = 20011899151 is a prime.
It is a super-3 number, since 3×200120302233 (a number of 32 digits) contains 333 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20012030293) 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, 9896136 + ... + 9898157.
It is an arithmetic number, because the mean of its divisors is an integer number (3345235686).
Almost surely, 220012030223 is an apocalyptic number.
20012030223 is a deficient number, since it is larger than the sum of its proper divisors (6749855265).
20012030223 is a wasteful number, since it uses less digits than its factorization.
20012030223 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19794633.
The product of its (nonzero) digits is 144, while the sum is 15.
Adding to 20012030223 its reverse (32203021002), we get a palindrome (52215051225).
The spelling of 20012030223 in words is "twenty billion, twelve million, thirty thousand, two hundred twenty-three".
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