Base | Representation |
---|---|
bin | 101101100111100… |
… | …0001110111100100 |
3 | 10221200012220122200 |
4 | 1123033001313210 |
5 | 11113322311333 |
6 | 411515254500 |
7 | 52634310312 |
oct | 13317016744 |
9 | 3850186580 |
10 | 1530666468 |
11 | 716026411 |
12 | 36874a430 |
13 | 1b516b706 |
14 | 1074070b2 |
15 | 8e5a5c13 |
hex | 5b3c1de4 |
1530666468 has 144 divisors (see below), whose sum is σ = 4391936640. Its totient is φ = 446764032.
The previous prime is 1530666443. The next prime is 1530666479. The reversal of 1530666468 is 8646660351.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 519343 + ... + 522281.
It is an arithmetic number, because the mean of its divisors is an integer number (30499560).
Almost surely, 21530666468 is an apocalyptic number.
1530666468 is a gapful number since it is divisible by the number (18) 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 1530666468, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2195968320).
1530666468 is an abundant number, since it is smaller than the sum of its proper divisors (2861270172).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1530666468 is a wasteful number, since it uses less digits than its factorization.
1530666468 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3026 (or 3021 counting only the distinct ones).
The product of its (nonzero) digits is 622080, while the sum is 45.
The square root of 1530666468 is about 39123.7327973699. The cubic root of 1530666468 is about 1152.4626415083.
The spelling of 1530666468 in words is "one billion, five hundred thirty million, six hundred sixty-six thousand, four hundred sixty-eight".
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