Base | Representation |
---|---|
bin | 11100000100101000… |
… | …001000111001010010 |
3 | 2212210200020200101002 |
4 | 130010220020321102 |
5 | 443212423332010 |
6 | 21503000142002 |
7 | 2114646122261 |
oct | 340450107122 |
9 | 85720220332 |
10 | 30142402130 |
11 | 11868666945 |
12 | 5a12767902 |
13 | 2ac4a33909 |
14 | 165d3165d8 |
15 | bb63a71a5 |
hex | 704a08e52 |
30142402130 has 8 divisors (see below), whose sum is σ = 54256323852. Its totient is φ = 12056960848.
The previous prime is 30142402039. The next prime is 30142402139. The reversal of 30142402130 is 3120424103.
It can be written as a sum of positive squares in 2 ways, for example, as 27162006481 + 2980395649 = 164809^2 + 54593^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (30142402139) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1507120097 + ... + 1507120116.
Almost surely, 230142402130 is an apocalyptic number.
30142402130 is a deficient number, since it is larger than the sum of its proper divisors (24113921722).
30142402130 is a wasteful number, since it uses less digits than its factorization.
30142402130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3014240220.
The product of its (nonzero) digits is 576, while the sum is 20.
Adding to 30142402130 its reverse (3120424103), we get a palindrome (33262826233).
The spelling of 30142402130 in words is "thirty billion, one hundred forty-two million, four hundred two thousand, one hundred thirty".
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