Base | Representation |
---|---|
bin | 10010101000000110… |
… | …110100101110101011 |
3 | 1220121211221222011221 |
4 | 102220012310232223 |
5 | 311430024332230 |
6 | 13104334202511 |
7 | 1305424103242 |
oct | 225006645653 |
9 | 56554858157 |
10 | 20000230315 |
11 | 853367706a |
12 | 3a62053437 |
13 | 1b69758710 |
14 | d7a345959 |
15 | 7c0cb427a |
hex | 4a81b4bab |
20000230315 has 8 divisors (see below), whose sum is σ = 25846451568. Its totient is φ = 14769400800.
The previous prime is 20000230309. The next prime is 20000230333. The reversal of 20000230315 is 51303200002.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 20000230315 - 23 = 20000230307 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153847861 + ... + 153847990.
It is an arithmetic number, because the mean of its divisors is an integer number (3230806446).
Almost surely, 220000230315 is an apocalyptic number.
20000230315 is a deficient number, since it is larger than the sum of its proper divisors (5846221253).
20000230315 is a wasteful number, since it uses less digits than its factorization.
20000230315 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 307695869.
The product of its (nonzero) digits is 180, while the sum is 16.
Adding to 20000230315 its reverse (51303200002), we get a palindrome (71303430317).
The spelling of 20000230315 in words is "twenty billion, two hundred thirty thousand, three hundred fifteen".
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