Base | Representation |
---|---|
bin | 10010111011010111… |
… | …010000001001000000 |
3 | 1221110100212210221222 |
4 | 102323113100021000 |
5 | 313110231212000 |
6 | 13200354534212 |
7 | 1316426143106 |
oct | 227327201100 |
9 | 57410783858 |
10 | 20323304000 |
11 | 8689a8010a |
12 | 3b32297368 |
13 | 1bbb67498c |
14 | dab203c76 |
15 | 7de32ea85 |
hex | 4bb5d0240 |
20323304000 has 56 divisors (see below), whose sum is σ = 50330682168. Its totient is φ = 8129318400.
The previous prime is 20323303997. The next prime is 20323304069. The reversal of 20323304000 is 40332302.
It can be written as a sum of positive squares in 4 ways, for example, as 635846656 + 19687457344 = 25216^2 + 140312^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 20323304000.
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, 1262207 + ... + 1278206.
Almost surely, 220323304000 is an apocalyptic number.
20323304000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20323304000 is an abundant number, since it is smaller than the sum of its proper divisors (30007378168).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20323304000 is an equidigital number, since it uses as much as digits as its factorization.
20323304000 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2540440 (or 2540420 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 17.
Adding to 20323304000 its reverse (40332302), we get a palindrome (20363636302).
The spelling of 20323304000 in words is "twenty billion, three hundred twenty-three million, three hundred four thousand".
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