Base | Representation |
---|---|
bin | 10010110100000001… |
… | …110011101101011101 |
3 | 1221010210022121122121 |
4 | 102310001303231131 |
5 | 312332230221023 |
6 | 13140241142541 |
7 | 1313403136600 |
oct | 226401635535 |
9 | 57123277577 |
10 | 20200242013 |
11 | 8626567896 |
12 | 3ab902aa51 |
13 | 1b9c018133 |
14 | d98b2c337 |
15 | 7d3621d5d |
hex | 4b4073b5d |
20200242013 has 12 divisors (see below), whose sum is σ = 23500634652. Its totient is φ = 17312729280.
The previous prime is 20200241911. The next prime is 20200242017. The reversal of 20200242013 is 31024200202.
It can be written as a sum of positive squares in 2 ways, for example, as 15816080644 + 4384161369 = 125762^2 + 66213^2 .
It is not a de Polignac number, because 20200242013 - 225 = 20166687581 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 (20200242017) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 753231 + ... + 779587.
It is an arithmetic number, because the mean of its divisors is an integer number (1958386221).
Almost surely, 220200242013 is an apocalyptic number.
It is an amenable number.
20200242013 is a deficient number, since it is larger than the sum of its proper divisors (3300392639).
20200242013 is a wasteful number, since it uses less digits than its factorization.
20200242013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 42012 (or 42005 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 16.
Adding to 20200242013 its reverse (31024200202), we get a palindrome (51224442215).
The spelling of 20200242013 in words is "twenty billion, two hundred million, two hundred forty-two thousand, thirteen".
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