Base | Representation |
---|---|
bin | 10010101111011111… |
… | …111001100101110111 |
3 | 1220221111022112110002 |
4 | 102233133321211313 |
5 | 312203301304333 |
6 | 13124524221515 |
7 | 1311461153210 |
oct | 225737714567 |
9 | 56844275402 |
10 | 20124244343 |
11 | 859767a6a5 |
12 | 3a9769a89b |
13 | 1b893596b8 |
14 | d8c9c8407 |
15 | 7cbb0e0e8 |
hex | 4af7f9977 |
20124244343 has 16 divisors (see below), whose sum is σ = 24365298240. Its totient is φ = 16225837056.
The previous prime is 20124244321. The next prime is 20124244397. The reversal of 20124244343 is 34344242102.
It is a cyclic number.
It is not a de Polignac number, because 20124244343 - 26 = 20124244279 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 (20124244043) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 177743 + ... + 268031.
It is an arithmetic number, because the mean of its divisors is an integer number (1522831140).
Almost surely, 220124244343 is an apocalyptic number.
20124244343 is a deficient number, since it is larger than the sum of its proper divisors (4241053897).
20124244343 is a wasteful number, since it uses less digits than its factorization.
20124244343 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 92186.
The product of its (nonzero) digits is 18432, while the sum is 29.
Adding to 20124244343 its reverse (34344242102), we get a palindrome (54468486445).
The spelling of 20124244343 in words is "twenty billion, one hundred twenty-four million, two hundred forty-four thousand, three hundred forty-three".
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