Base | Representation |
---|---|
bin | 11100010100010110… |
… | …111111011100101010 |
3 | 2220111001220020102012 |
4 | 130110112333130222 |
5 | 444233010424232 |
6 | 21545105235522 |
7 | 2124332434460 |
oct | 342426773452 |
9 | 86431806365 |
10 | 30406342442 |
11 | 11993651133 |
12 | 5a87032ba2 |
13 | 2b37617508 |
14 | 16863c0830 |
15 | bce6419b2 |
hex | 7145bf72a |
30406342442 has 8 divisors (see below), whose sum is σ = 52125158496. Its totient is φ = 13031289612.
The previous prime is 30406342441. The next prime is 30406342451. The reversal of 30406342442 is 24424360403.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 30406342399 and 30406342408.
It is not an unprimeable number, because it can be changed into a prime (30406342441) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1085940788 + ... + 1085940815.
It is an arithmetic number, because the mean of its divisors is an integer number (6515644812).
Almost surely, 230406342442 is an apocalyptic number.
30406342442 is a deficient number, since it is larger than the sum of its proper divisors (21718816054).
30406342442 is a wasteful number, since it uses less digits than its factorization.
30406342442 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2171881612.
The product of its (nonzero) digits is 55296, while the sum is 32.
The spelling of 30406342442 in words is "thirty billion, four hundred six million, three hundred forty-two thousand, four hundred forty-two".
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