Base | Representation |
---|---|
bin | 10010111110100011110… |
… | …100000101010010000100 |
3 | 11121200011121022101211112 |
4 | 102332203310011102010 |
5 | 132331321044230040 |
6 | 2435034523024152 |
7 | 163135252153265 |
oct | 22764364052204 |
9 | 4550147271745 |
10 | 1304123430020 |
11 | 4630917501a4 |
12 | 1908b836b058 |
13 | 95c94474068 |
14 | 4719706c96c |
15 | 23dcae2c365 |
hex | 12fa3d05484 |
1304123430020 has 12 divisors (see below), whose sum is σ = 2738659203084. Its totient is φ = 521649372000.
The previous prime is 1304123430019. The next prime is 1304123430037. The reversal of 1304123430020 is 200343214031.
It can be written as a sum of positive squares in 2 ways, for example, as 470291465284 + 833831964736 = 685778^2 + 913144^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32603085731 + ... + 32603085770.
It is an arithmetic number, because the mean of its divisors is an integer number (228221600257).
Almost surely, 21304123430020 is an apocalyptic number.
1304123430020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1304123430020 is an abundant number, since it is smaller than the sum of its proper divisors (1434535773064).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1304123430020 is a wasteful number, since it uses less digits than its factorization.
1304123430020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 65206171510 (or 65206171508 counting only the distinct ones).
The product of its (nonzero) digits is 1728, while the sum is 23.
Adding to 1304123430020 its reverse (200343214031), we get a palindrome (1504466644051).
The spelling of 1304123430020 in words is "one trillion, three hundred four billion, one hundred twenty-three million, four hundred thirty thousand, twenty".
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