Base | Representation |
---|---|
bin | 10010111010100101… |
… | …101001010101111000 |
3 | 1221102110102010212020 |
4 | 102322211221111320 |
5 | 313043414100044 |
6 | 13155212114440 |
7 | 1316210462460 |
oct | 227245512570 |
9 | 57373363766 |
10 | 20310300024 |
11 | 86826a9023 |
12 | 3b29a65a20 |
13 | 1bb8a70a11 |
14 | da95baba0 |
15 | 7dd111a19 |
hex | 4ba969578 |
20310300024 has 128 divisors (see below), whose sum is σ = 59936163840. Its totient is φ = 5615281152.
The previous prime is 20310300019. The next prime is 20310300071. The reversal of 20310300024 is 42000301302.
It is a junction number, because it is equal to n+sod(n) for n = 20310299976 and 20310300012.
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, 634369 + ... + 665615.
It is an arithmetic number, because the mean of its divisors is an integer number (468251280).
Almost surely, 220310300024 is an apocalyptic number.
20310300024 is a gapful number since it is divisible by the number (24) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 20310300024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29968081920).
20310300024 is an abundant number, since it is smaller than the sum of its proper divisors (39625863816).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20310300024 is a wasteful number, since it uses less digits than its factorization.
20310300024 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 31389 (or 31385 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 15.
Adding to 20310300024 its reverse (42000301302), we get a palindrome (62310601326).
The spelling of 20310300024 in words is "twenty billion, three hundred ten million, three hundred thousand, twenty-four".
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