Base | Representation |
---|---|
bin | 10011000001101111… |
… | …100010010011001010 |
3 | 1221201211021110022211 |
4 | 103001233202103022 |
5 | 313320131130010 |
6 | 13215140535334 |
7 | 1322165652304 |
oct | 230157422312 |
9 | 57654243284 |
10 | 20430333130 |
11 | 8734432739 |
12 | 3b620b154a |
13 | 1c078a9a1c |
14 | dbb504974 |
15 | 7e892208a |
hex | 4c1be24ca |
20430333130 has 8 divisors (see below), whose sum is σ = 36774599652. Its totient is φ = 8172133248.
The previous prime is 20430333109. The next prime is 20430333137. The reversal of 20430333130 is 3133303402.
It can be written as a sum of positive squares in 2 ways, for example, as 17613802089 + 2816531041 = 132717^2 + 53071^2 .
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 (20430333137) 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, 1021516647 + ... + 1021516666.
Almost surely, 220430333130 is an apocalyptic number.
20430333130 is a deficient number, since it is larger than the sum of its proper divisors (16344266522).
20430333130 is a wasteful number, since it uses less digits than its factorization.
20430333130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2043033320.
The product of its (nonzero) digits is 1944, while the sum is 22.
Adding to 20430333130 its reverse (3133303402), we get a palindrome (23563636532).
The spelling of 20430333130 in words is "twenty billion, four hundred thirty million, three hundred thirty-three thousand, one hundred thirty".
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