Base | Representation |
---|---|
bin | 10010101000000111… |
… | …001000111110000111 |
3 | 1220121212010011220121 |
4 | 102220013020332013 |
5 | 311430040010343 |
6 | 13104340042411 |
7 | 1305424600042 |
oct | 225007107607 |
9 | 56555104817 |
10 | 20000313223 |
11 | 8533723390 |
12 | 3a62093407 |
13 | 1b69787387 |
14 | d7a367c59 |
15 | 7c0ccdaed |
hex | 4a81c8f87 |
20000313223 has 4 divisors (see below), whose sum is σ = 21818523528. Its totient is φ = 18182102920.
The previous prime is 20000313211. The next prime is 20000313227. The reversal of 20000313223 is 32231300002.
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 20000313223 - 229 = 19463442311 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 20000313197 and 20000313206.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20000313227) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 909105136 + ... + 909105157.
It is an arithmetic number, because the mean of its divisors is an integer number (5454630882).
Almost surely, 220000313223 is an apocalyptic number.
20000313223 is a deficient number, since it is larger than the sum of its proper divisors (1818210305).
20000313223 is a wasteful number, since it uses less digits than its factorization.
20000313223 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1818210304.
The product of its (nonzero) digits is 216, while the sum is 16.
Adding to 20000313223 its reverse (32231300002), we get a palindrome (52231613225).
The spelling of 20000313223 in words is "twenty billion, three hundred thirteen thousand, two hundred twenty-three".
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