Base | Representation |
---|---|
bin | 101101100110011… |
… | …0000011111100001 |
3 | 10221122002122211122 |
4 | 1123030300133201 |
5 | 11113144233014 |
6 | 411454422025 |
7 | 52626250265 |
oct | 13314603741 |
9 | 3848078748 |
10 | 1530071009 |
11 | 715759aa5 |
12 | 368501915 |
13 | 1b4cc067c |
14 | 1072d00a5 |
15 | 8e4d958e |
hex | 5b3307e1 |
1530071009 has 8 divisors (see below), whose sum is σ = 1620619488. Its totient is φ = 1439583040.
The previous prime is 1530070987. The next prime is 1530071047. The reversal of 1530071009 is 9001700351.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1530071009 - 212 = 1530066913 is a prime.
It is a super-2 number, since 2×15300710092 = 4682234585164556162, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1530071089) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43454 + ... + 70344.
It is an arithmetic number, because the mean of its divisors is an integer number (202577436).
Almost surely, 21530071009 is an apocalyptic number.
It is an amenable number.
1530071009 is a deficient number, since it is larger than the sum of its proper divisors (90548479).
1530071009 is a wasteful number, since it uses less digits than its factorization.
1530071009 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 30255.
The product of its (nonzero) digits is 945, while the sum is 26.
The square root of 1530071009 is about 39116.1221109660. The cubic root of 1530071009 is about 1152.3131786712.
The spelling of 1530071009 in words is "one billion, five hundred thirty million, seventy-one thousand, nine".
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