Base | Representation |
---|---|
bin | 10010111010000110… |
… | …011000001010100011 |
3 | 1221101212222200221021 |
4 | 102322012120022203 |
5 | 313034314300303 |
6 | 13154320310311 |
7 | 1316051013154 |
oct | 227206301243 |
9 | 57355880837 |
10 | 20302103203 |
11 | 867900a698 |
12 | 3b27172397 |
13 | 1bb7160b25 |
14 | da848592b |
15 | 7dc542ebd |
hex | 4ba1982a3 |
20302103203 has 8 divisors (see below), whose sum is σ = 20737286928. Its totient is φ = 19868850144.
The previous prime is 20302103147. The next prime is 20302103207. The reversal of 20302103203 is 30230120302.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-20302103203 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20302103207) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 461401 + ... + 503482.
It is an arithmetic number, because the mean of its divisors is an integer number (2592160866).
Almost surely, 220302103203 is an apocalyptic number.
20302103203 is a deficient number, since it is larger than the sum of its proper divisors (435183725).
20302103203 is an equidigital number, since it uses as much as digits as its factorization.
20302103203 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 965333.
The product of its (nonzero) digits is 216, while the sum is 16.
Adding to 20302103203 its reverse (30230120302), we get a palindrome (50532223505).
The spelling of 20302103203 in words is "twenty billion, three hundred two million, one hundred three thousand, two hundred three".
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