Base | Representation |
---|---|
bin | 10010111100100010… |
… | …011001000011111111 |
3 | 1221111201221112122012 |
4 | 102330202121003333 |
5 | 313130302020333 |
6 | 13202341041435 |
7 | 1320055441550 |
oct | 227442310377 |
9 | 57451845565 |
10 | 20343001343 |
11 | 869a104005 |
12 | 3b389b627b |
13 | 1bc2780402 |
14 | dada90327 |
15 | 7e0e20e48 |
hex | 4bc8990ff |
20343001343 has 8 divisors (see below), whose sum is σ = 23350670880. Its totient is φ = 17360713440.
The previous prime is 20343001303. The next prime is 20343001369. The reversal of 20343001343 is 34310034302.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 20343001343 - 28 = 20343001087 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 (20343001303) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6343688 + ... + 6346893.
It is an arithmetic number, because the mean of its divisors is an integer number (2918833860).
Almost surely, 220343001343 is an apocalyptic number.
20343001343 is a deficient number, since it is larger than the sum of its proper divisors (3007669537).
20343001343 is a wasteful number, since it uses less digits than its factorization.
20343001343 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12690817.
The product of its (nonzero) digits is 2592, while the sum is 23.
Adding to 20343001343 its reverse (34310034302), we get a palindrome (54653035645).
The spelling of 20343001343 in words is "twenty billion, three hundred forty-three million, one thousand, three hundred forty-three".
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