Base | Representation |
---|---|
bin | 11000111101110010… |
… | …10100111000111111 |
3 | 1021121002120110011211 |
4 | 30132321110320333 |
5 | 204422212334033 |
6 | 10053554025251 |
7 | 653100466240 |
oct | 143671247077 |
9 | 37532513154 |
10 | 13403246143 |
11 | 5758868231 |
12 | 2720878227 |
13 | 1357aab9a1 |
14 | 912136cc7 |
15 | 536a572cd |
hex | 31ee54e3f |
13403246143 has 8 divisors (see below), whose sum is σ = 15318812288. Its totient is φ = 11487884184.
The previous prime is 13403246141. The next prime is 13403246179. The reversal of 13403246143 is 34164230431.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 13403246143 - 21 = 13403246141 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 (13403246141) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134680 + ... + 212002.
It is an arithmetic number, because the mean of its divisors is an integer number (1914851536).
Almost surely, 213403246143 is an apocalyptic number.
13403246143 is a deficient number, since it is larger than the sum of its proper divisors (1915566145).
13403246143 is an equidigital number, since it uses as much as digits as its factorization.
13403246143 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 102093.
The product of its (nonzero) digits is 20736, while the sum is 31.
Adding to 13403246143 its reverse (34164230431), we get a palindrome (47567476574).
The spelling of 13403246143 in words is "thirteen billion, four hundred three million, two hundred forty-six thousand, one hundred forty-three".
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