Base | Representation |
---|---|
bin | 11011111110000000… |
… | …000100000001101010 |
3 | 2212111221001201011201 |
4 | 123332000010001222 |
5 | 443000443430010 |
6 | 21443545314414 |
7 | 2112126161353 |
oct | 337600040152 |
9 | 85457051151 |
10 | 30031233130 |
11 | 11810936a38 |
12 | 59a1495a0a |
13 | 2aa79ac442 |
14 | 164c658d2a |
15 | bab74823a |
hex | 6fe00406a |
30031233130 has 8 divisors (see below), whose sum is σ = 54056219652. Its totient is φ = 12012493248.
The previous prime is 30031233121. The next prime is 30031233137. The reversal of 30031233130 is 3133213003.
It can be written as a sum of positive squares in 2 ways, for example, as 27891338049 + 2139895081 = 167007^2 + 46259^2 .
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 = 30031233098 and 30031233107.
It is not an unprimeable number, because it can be changed into a prime (30031233137) 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, 1501561647 + ... + 1501561666.
Almost surely, 230031233130 is an apocalyptic number.
30031233130 is a deficient number, since it is larger than the sum of its proper divisors (24024986522).
30031233130 is a wasteful number, since it uses less digits than its factorization.
30031233130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3003123320.
The product of its (nonzero) digits is 486, while the sum is 19.
Adding to 30031233130 its reverse (3133213003), we get a palindrome (33164446133).
The spelling of 30031233130 in words is "thirty billion, thirty-one million, two hundred thirty-three thousand, one hundred thirty".
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