Base | Representation |
---|---|
bin | 10010101110001111… |
… | …101000010110101111 |
3 | 1220220000201111002022 |
4 | 102232033220112233 |
5 | 312132404432343 |
6 | 13122453220355 |
7 | 1311114254006 |
oct | 225617502657 |
9 | 56800644068 |
10 | 20103202223 |
11 | 8586808415 |
12 | 3a906316bb |
13 | 1b84b9cb40 |
14 | d89cabc3d |
15 | 7c9d54568 |
hex | 4ae3e85af |
20103202223 has 4 divisors (see below), whose sum is σ = 21649602408. Its totient is φ = 18556802040.
The previous prime is 20103202211. The next prime is 20103202241. The reversal of 20103202223 is 32220230102.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32220230102 = 2 ⋅16110115051.
It is a cyclic number.
It is not a de Polignac number, because 20103202223 - 26 = 20103202159 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 (20103202243) 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, 773200073 + ... + 773200098.
It is an arithmetic number, because the mean of its divisors is an integer number (5412400602).
Almost surely, 220103202223 is an apocalyptic number.
20103202223 is a deficient number, since it is larger than the sum of its proper divisors (1546400185).
20103202223 is a wasteful number, since it uses less digits than its factorization.
20103202223 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1546400184.
The product of its (nonzero) digits is 288, while the sum is 17.
Adding to 20103202223 its reverse (32220230102), we get a palindrome (52323432325).
The spelling of 20103202223 in words is "twenty billion, one hundred three million, two hundred two thousand, two hundred twenty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.076 sec. • engine limits •