Base | Representation |
---|---|
bin | 1001010010100110000100… |
… | …00011011001101010100010 |
3 | 2200100002201012101002002122 |
4 | 10221103002003121222202 |
5 | 10134211341223144414 |
6 | 111241245001144242 |
7 | 4206012264560402 |
oct | 451230203315242 |
9 | 80302635332078 |
10 | 20430120131234 |
11 | 6567402224880 |
12 | 235b5b1a8b082 |
13 | b52723b58a28 |
14 | 508b747ba802 |
15 | 25667abd7b8e |
hex | 1294c20d9aa2 |
20430120131234 has 8 divisors (see below), whose sum is σ = 33431105669328. Its totient is φ = 9286418241460.
The previous prime is 20430120131219. The next prime is 20430120131269. The reversal of 20430120131234 is 43213102103402.
It is a sphenic number, since it is the product of 3 distinct primes.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 464320912052 + ... + 464320912095.
It is an arithmetic number, because the mean of its divisors is an integer number (4178888208666).
Almost surely, 220430120131234 is an apocalyptic number.
20430120131234 is a deficient number, since it is larger than the sum of its proper divisors (13000985538094).
20430120131234 is a wasteful number, since it uses less digits than its factorization.
20430120131234 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 928641824160.
The product of its (nonzero) digits is 3456, while the sum is 26.
Adding to 20430120131234 its reverse (43213102103402), we get a palindrome (63643222234636).
The spelling of 20430120131234 in words is "twenty trillion, four hundred thirty billion, one hundred twenty million, one hundred thirty-one thousand, two hundred thirty-four".
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