Base | Representation |
---|---|
bin | 10010111010001101… |
… | …101100111010100010 |
3 | 1221102000121020200100 |
4 | 102322031230322202 |
5 | 313040312220302 |
6 | 13154425403230 |
7 | 1316103230631 |
oct | 227215547242 |
9 | 57360536610 |
10 | 20304023202 |
11 | 867a101171 |
12 | 3b27939516 |
13 | 1bb7683a18 |
14 | da8825518 |
15 | 7dc7c1d1c |
hex | 4ba36cea2 |
20304023202 has 48 divisors (see below), whose sum is σ = 46594390752. Its totient is φ = 6367896960.
The previous prime is 20304023197. The next prime is 20304023227. The reversal of 20304023202 is 20232040302.
It is a Harshad number since it is a multiple of its sum of digits (18).
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, 1199377 + ... + 1216187.
It is an arithmetic number, because the mean of its divisors is an integer number (970716474).
Almost surely, 220304023202 is an apocalyptic number.
20304023202 is an abundant number, since it is smaller than the sum of its proper divisors (26290367550).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20304023202 is a wasteful number, since it uses less digits than its factorization.
20304023202 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20783 (or 20780 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 18.
Adding to 20304023202 its reverse (20232040302), we get a palindrome (40536063504).
The spelling of 20304023202 in words is "twenty billion, three hundred four million, twenty-three thousand, two hundred two".
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