Base | Representation |
---|---|
bin | 10110011010001001… |
… | …10101101110011001 |
3 | 1011001102120101001222 |
4 | 23031010311232121 |
5 | 144114304020010 |
6 | 5305440021425 |
7 | 604061560535 |
oct | 131504655631 |
9 | 34042511058 |
10 | 12030532505 |
11 | 5113a16152 |
12 | 23b9001875 |
13 | 1199594cb4 |
14 | 821ac8bc5 |
15 | 4a62a2355 |
hex | 2cd135b99 |
12030532505 has 8 divisors (see below), whose sum is σ = 14452353600. Its totient is φ = 9613949616.
The previous prime is 12030532453. The next prime is 12030532517. The reversal of 12030532505 is 50523503021.
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 12030532505 - 26 = 12030532441 is a prime.
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, 1304495 + ... + 1313684.
It is an arithmetic number, because the mean of its divisors is an integer number (1806544200).
Almost surely, 212030532505 is an apocalyptic number.
It is an amenable number.
12030532505 is a deficient number, since it is larger than the sum of its proper divisors (2421821095).
12030532505 is an equidigital number, since it uses as much as digits as its factorization.
12030532505 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2619103.
The product of its (nonzero) digits is 4500, while the sum is 26.
The spelling of 12030532505 in words is "twelve billion, thirty million, five hundred thirty-two thousand, five hundred five".
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