Base | Representation |
---|---|
bin | 11100001001010101… |
… | …001100101101111010 |
3 | 2220000011202021122002 |
4 | 130021111030231322 |
5 | 443343124320010 |
6 | 21514455501002 |
7 | 2116625002535 |
oct | 341125145572 |
9 | 86004667562 |
10 | 30221323130 |
11 | 118a9170409 |
12 | 5a35087762 |
13 | 2b081a6b2b |
14 | 16699bba1c |
15 | bbd2961a5 |
hex | 70954cb7a |
30221323130 has 16 divisors (see below), whose sum is σ = 57598286760. Its totient is φ = 11377439232.
The previous prime is 30221323127. The next prime is 30221323151. The reversal of 30221323130 is 3132312203.
It can be written as a sum of positive squares in 4 ways, for example, as 30063745321 + 157577809 = 173389^2 + 12553^2 .
It is a Curzon number.
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, 88886075 + ... + 88886414.
Almost surely, 230221323130 is an apocalyptic number.
30221323130 is a deficient number, since it is larger than the sum of its proper divisors (27376963630).
30221323130 is a wasteful number, since it uses less digits than its factorization.
30221323130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 177772513.
The product of its (nonzero) digits is 648, while the sum is 20.
Adding to 30221323130 its reverse (3132312203), we get a palindrome (33353635333).
The spelling of 30221323130 in words is "thirty billion, two hundred twenty-one million, three hundred twenty-three thousand, one hundred thirty".
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