Base | Representation |
---|---|
bin | 10010101110010000… |
… | …000010101101111011 |
3 | 1220220000220222012120 |
4 | 102232100002231323 |
5 | 312132421411303 |
6 | 13122455412323 |
7 | 1311115213554 |
oct | 225620025573 |
9 | 56800828176 |
10 | 20103310203 |
11 | 8586881559 |
12 | 3a906840a3 |
13 | 1b84c0a032 |
14 | d89cd932b |
15 | 7c9d76553 |
hex | 4ae402b7b |
20103310203 has 48 divisors (see below), whose sum is σ = 29032513536. Its totient is φ = 12368471040.
The previous prime is 20103310193. The next prime is 20103310219. The reversal of 20103310203 is 30201330102.
It is not a de Polignac number, because 20103310203 - 212 = 20103306107 is a prime.
It is a super-2 number, since 2×201033102032 (a number of 21 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (20103318203) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12087750 + ... + 12089412.
It is an arithmetic number, because the mean of its divisors is an integer number (604844032).
Almost surely, 220103310203 is an apocalyptic number.
20103310203 is a deficient number, since it is larger than the sum of its proper divisors (8929203333).
20103310203 is a wasteful number, since it uses less digits than its factorization.
20103310203 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1964 (or 1947 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 15.
Adding to 20103310203 its reverse (30201330102), we get a palindrome (50304640305).
The spelling of 20103310203 in words is "twenty billion, one hundred three million, three hundred ten thousand, two hundred three".
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