Base | Representation |
---|---|
bin | 10010111011110001… |
… | …101110100010000110 |
3 | 1221110211221102011112 |
4 | 102323301232202012 |
5 | 313114020303410 |
6 | 13201203405022 |
7 | 1316542140032 |
oct | 227361564206 |
9 | 57424842145 |
10 | 20330244230 |
11 | 869299043a |
12 | 3b34683772 |
13 | 1bbcc3491a |
14 | dac0cd1c2 |
15 | 7dec51105 |
hex | 4bbc6e886 |
20330244230 has 16 divisors (see below), whose sum is σ = 37774905984. Its totient is φ = 7869771840.
The previous prime is 20330244197. The next prime is 20330244307. The reversal of 20330244230 is 3244203302.
It is a junction number, because it is equal to n+sod(n) for n = 20330244196 and 20330244205.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32790407 + ... + 32791026.
It is an arithmetic number, because the mean of its divisors is an integer number (2360931624).
Almost surely, 220330244230 is an apocalyptic number.
20330244230 is a deficient number, since it is larger than the sum of its proper divisors (17444661754).
20330244230 is a wasteful number, since it uses less digits than its factorization.
20330244230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 65581471.
The product of its (nonzero) digits is 3456, while the sum is 23.
Adding to 20330244230 its reverse (3244203302), we get a palindrome (23574447532).
The spelling of 20330244230 in words is "twenty billion, three hundred thirty million, two hundred forty-four thousand, two hundred thirty".
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