Base | Representation |
---|---|
bin | 10110100010110100… |
… | …11101101101111011 |
3 | 1011020111111212022021 |
4 | 23101122131231323 |
5 | 144241421411303 |
6 | 5320555535311 |
7 | 605634303445 |
oct | 132132355573 |
9 | 34214455267 |
10 | 12103310203 |
11 | 5151004106 |
12 | 241945a537 |
13 | 11ab696c1a |
14 | 82b631495 |
15 | 4ac87aebd |
hex | 2d169db7b |
12103310203 has 4 divisors (see below), whose sum is σ = 12103576848. Its totient is φ = 12103043560.
The previous prime is 12103310183. The next prime is 12103310237. The reversal of 12103310203 is 30201330121.
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 12103310203 - 225 = 12069755771 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12103310903) 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, 46303 + ... + 162328.
It is an arithmetic number, because the mean of its divisors is an integer number (3025894212).
Almost surely, 212103310203 is an apocalyptic number.
12103310203 is a deficient number, since it is larger than the sum of its proper divisors (266645).
12103310203 is an equidigital number, since it uses as much as digits as its factorization.
12103310203 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 266644.
The product of its (nonzero) digits is 108, while the sum is 16.
Adding to 12103310203 its reverse (30201330121), we get a palindrome (42304640324).
The spelling of 12103310203 in words is "twelve billion, one hundred three million, three hundred ten thousand, two hundred three".
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