Base | Representation |
---|---|
bin | 10010101000001010… |
… | …111100011000010110 |
3 | 1220121220222211112210 |
4 | 102220022330120112 |
5 | 311430313411410 |
6 | 13104413254250 |
7 | 1305436221546 |
oct | 225012743026 |
9 | 56556884483 |
10 | 20001310230 |
11 | 8534244460 |
12 | 3a62494386 |
13 | 1b69a46115 |
14 | d7a547326 |
15 | 7c0e29220 |
hex | 4a82bc616 |
20001310230 has 64 divisors (see below), whose sum is σ = 52669916928. Its totient is φ = 4820760960.
The previous prime is 20001310213. The next prime is 20001310249. The reversal of 20001310230 is 3201310002.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 118084 + ... + 232263.
It is an arithmetic number, because the mean of its divisors is an integer number (822967452).
Almost surely, 220001310230 is an apocalyptic number.
20001310230 is an abundant number, since it is smaller than the sum of its proper divisors (32668606698).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20001310230 is a wasteful number, since it uses less digits than its factorization.
20001310230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 350541.
The product of its (nonzero) digits is 36, while the sum is 12.
Adding to 20001310230 its reverse (3201310002), we get a palindrome (23202620232).
The spelling of 20001310230 in words is "twenty billion, one million, three hundred ten thousand, two hundred thirty".
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