Base | Representation |
---|---|
bin | 10010111010100101… |
… | …101001010111011000 |
3 | 1221102110102010222210 |
4 | 102322211221113120 |
5 | 313043414100440 |
6 | 13155212115120 |
7 | 1316210462655 |
oct | 227245512730 |
9 | 57373363883 |
10 | 20310300120 |
11 | 86826a9100 |
12 | 3b29a65aa0 |
13 | 1bb8a70a86 |
14 | da95bac2c |
15 | 7dd111a80 |
hex | 4ba9695d8 |
20310300120 has 96 divisors (see below), whose sum is σ = 66973682160. Its totient is φ = 4923705600.
The previous prime is 20310300119. The next prime is 20310300137. The reversal of 20310300120 is 2100301302.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (12).
It is a junction number, because it is equal to n+sod(n) for n = 20310300096 and 20310300105.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 684871 + ... + 713910.
Almost surely, 220310300120 is an apocalyptic number.
20310300120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20310300120 is an abundant number, since it is smaller than the sum of its proper divisors (46663382040).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20310300120 is a wasteful number, since it uses less digits than its factorization.
20310300120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1398817 (or 1398802 counting only the distinct ones).
The product of its (nonzero) digits is 36, while the sum is 12.
Adding to 20310300120 its reverse (2100301302), we get a palindrome (22410601422).
The spelling of 20310300120 in words is "twenty billion, three hundred ten million, three hundred thousand, one hundred twenty".
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