Base | Representation |
---|---|
bin | 100100001000010… |
… | …0011101101000111 |
3 | 10010111011020002211 |
4 | 1020100203231013 |
5 | 4440322100403 |
6 | 320143444251 |
7 | 42020244430 |
oct | 11020435507 |
9 | 3114136084 |
10 | 1212300103 |
11 | 572348013 |
12 | 299bb6687 |
13 | 16420cc51 |
14 | b7012487 |
15 | 7166a06d |
hex | 48423b47 |
1212300103 has 4 divisors (see below), whose sum is σ = 1385485840. Its totient is φ = 1039114368.
The previous prime is 1212300059. The next prime is 1212300119. The reversal of 1212300103 is 3010032121.
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 1212300103 - 217 = 1212169031 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 (1212300163) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86592858 + ... + 86592871.
It is an arithmetic number, because the mean of its divisors is an integer number (346371460).
Almost surely, 21212300103 is an apocalyptic number.
1212300103 is a deficient number, since it is larger than the sum of its proper divisors (173185737).
1212300103 is an equidigital number, since it uses as much as digits as its factorization.
1212300103 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 173185736.
The product of its (nonzero) digits is 36, while the sum is 13.
The square root of 1212300103 is about 34818.1002210057. The cubic root of 1212300103 is about 1066.2770145898.
Adding to 1212300103 its reverse (3010032121), we get a palindrome (4222332224).
The spelling of 1212300103 in words is "one billion, two hundred twelve million, three hundred thousand, one hundred three".
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