Base | Representation |
---|---|
bin | 10110100010110010… |
… | …10010111111101111 |
3 | 1011020110221022110201 |
4 | 23101121102333233 |
5 | 144241332113033 |
6 | 5320545214331 |
7 | 605631560236 |
oct | 132131227757 |
9 | 34213838421 |
10 | 12103004143 |
11 | 515091516a |
12 | 24193313a7 |
13 | 11ab5ba819 |
14 | 82b591b1d |
15 | 4ac81a47d |
hex | 2d1652fef |
12103004143 has 4 divisors (see below), whose sum is σ = 12398199408. Its totient is φ = 11807808880.
The previous prime is 12103004131. The next prime is 12103004149. The reversal of 12103004143 is 34140030121.
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 12103004143 - 213 = 12102995951 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 12103004143.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12103004149) 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, 147597571 + ... + 147597652.
It is an arithmetic number, because the mean of its divisors is an integer number (3099549852).
Almost surely, 212103004143 is an apocalyptic number.
12103004143 is a deficient number, since it is larger than the sum of its proper divisors (295195265).
12103004143 is an equidigital number, since it uses as much as digits as its factorization.
12103004143 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 295195264.
The product of its (nonzero) digits is 288, while the sum is 19.
Adding to 12103004143 its reverse (34140030121), we get a palindrome (46243034264).
The spelling of 12103004143 in words is "twelve billion, one hundred three million, four thousand, one hundred forty-three".
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