Base | Representation |
---|---|
bin | 10010111010110000… |
… | …110100101100010111 |
3 | 1221102122221000011200 |
4 | 102322300310230113 |
5 | 313100141330403 |
6 | 13155355003543 |
7 | 1316244415125 |
oct | 227260645427 |
9 | 57378830150 |
10 | 20313230103 |
11 | 868431a481 |
12 | 3b2aa395b3 |
13 | 1bb95585aa |
14 | da9b40915 |
15 | 7dd4deca3 |
hex | 4bac34b17 |
20313230103 has 24 divisors (see below), whose sum is σ = 30201678000. Its totient is φ = 13146706944.
The previous prime is 20313230099. The next prime is 20313230107. The reversal of 20313230103 is 30103231302.
20313230103 is a `hidden beast` number, since 20 + 313 + 230 + 103 = 666.
It is an interprime number because it is at equal distance from previous prime (20313230099) and next prime (20313230107).
It is not a de Polignac number, because 20313230103 - 22 = 20313230099 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20313230107) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 81588 + ... + 217446.
It is an arithmetic number, because the mean of its divisors is an integer number (1258403250).
Almost surely, 220313230103 is an apocalyptic number.
20313230103 is a deficient number, since it is larger than the sum of its proper divisors (9888447897).
20313230103 is a wasteful number, since it uses less digits than its factorization.
20313230103 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 136351 (or 136348 counting only the distinct ones).
The product of its (nonzero) digits is 324, while the sum is 18.
Adding to 20313230103 its reverse (30103231302), we get a palindrome (50416461405).
The spelling of 20313230103 in words is "twenty billion, three hundred thirteen million, two hundred thirty thousand, one hundred three".
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