Base | Representation |
---|---|
bin | 10110100010110100… |
… | …11100010001101111 |
3 | 1011020111111120012202 |
4 | 23101122130101233 |
5 | 144241421214203 |
6 | 5320555452115 |
7 | 605634250316 |
oct | 132132342157 |
9 | 34214446182 |
10 | 12103304303 |
11 | 5150aaa732 |
12 | 241945703b |
13 | 11ab69432c |
14 | 82b62d27d |
15 | 4ac879388 |
hex | 2d169c46f |
12103304303 has 4 divisors (see below), whose sum is σ = 12103557888. Its totient is φ = 12103050720.
The previous prime is 12103304281. The next prime is 12103304357. The reversal of 12103304303 is 30340330121.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30340330121 = 61 ⋅497382461.
It is a cyclic number.
It is not a de Polignac number, because 12103304303 - 28 = 12103304047 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 (12103304803) 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, 31151 + ... + 158672.
It is an arithmetic number, because the mean of its divisors is an integer number (3025889472).
Almost surely, 212103304303 is an apocalyptic number.
12103304303 is a deficient number, since it is larger than the sum of its proper divisors (253585).
12103304303 is an equidigital number, since it uses as much as digits as its factorization.
12103304303 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 253584.
The product of its (nonzero) digits is 648, while the sum is 20.
Adding to 12103304303 its reverse (30340330121), we get a palindrome (42443634424).
The spelling of 12103304303 in words is "twelve billion, one hundred three million, three hundred four thousand, three hundred three".
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