Base | Representation |
---|---|
bin | 11100000100101000… |
… | …010000011011110011 |
3 | 2212210200022020201211 |
4 | 130010220100123303 |
5 | 443212430324021 |
6 | 21503000540551 |
7 | 2114646311305 |
oct | 340450203363 |
9 | 85720266654 |
10 | 30142433011 |
11 | 11868688069 |
12 | 5a12781757 |
13 | 2ac4a449a2 |
14 | 165d323975 |
15 | bb63b13e1 |
hex | 704a106f3 |
30142433011 has 4 divisors (see below), whose sum is σ = 30157218000. Its totient is φ = 30127648024.
The previous prime is 30142432963. The next prime is 30142433029. The reversal of 30142433011 is 11033424103.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 30142433011 - 27 = 30142432883 is a prime.
It is a super-2 number, since 2×301424330112 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30142433051) 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, 7389436 + ... + 7393513.
It is an arithmetic number, because the mean of its divisors is an integer number (7539304500).
Almost surely, 230142433011 is an apocalyptic number.
30142433011 is a deficient number, since it is larger than the sum of its proper divisors (14784989).
30142433011 is a wasteful number, since it uses less digits than its factorization.
30142433011 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14784988.
The product of its (nonzero) digits is 864, while the sum is 22.
Adding to 30142433011 its reverse (11033424103), we get a palindrome (41175857114).
The spelling of 30142433011 in words is "thirty billion, one hundred forty-two million, four hundred thirty-three thousand, eleven".
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