Base | Representation |
---|---|
bin | 10010110100001001… |
… | …101111110010011111 |
3 | 1221010221020100101000 |
4 | 102310021233302133 |
5 | 312333243314403 |
6 | 13140353521343 |
7 | 1313426625114 |
oct | 226411576237 |
9 | 57127210330 |
10 | 20202323103 |
11 | 86277593a6 |
12 | 3ab9873253 |
13 | 1b9c596451 |
14 | d9911090b |
15 | 7d38d37a3 |
hex | 4b426fc9f |
20202323103 has 16 divisors (see below), whose sum is σ = 29984104960. Its totient is φ = 13443583608.
The previous prime is 20202323083. The next prime is 20202323123. The reversal of 20202323103 is 30132320202.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (20202323083) and next prime (20202323123).
It is not a de Polignac number, because 20202323103 - 26 = 20202323039 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 (20202323123) 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, 669175 + ... + 698712.
It is an arithmetic number, because the mean of its divisors is an integer number (1874006560).
Almost surely, 220202323103 is an apocalyptic number.
20202323103 is a deficient number, since it is larger than the sum of its proper divisors (9781781857).
20202323103 is a wasteful number, since it uses less digits than its factorization.
20202323103 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1368443 (or 1368437 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 18.
Adding to 20202323103 its reverse (30132320202), we get a palindrome (50334643305).
The spelling of 20202323103 in words is "twenty billion, two hundred two million, three hundred twenty-three thousand, one hundred three".
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