Base | Representation |
---|---|
bin | 10010111010000110… |
… | …011000001010101011 |
3 | 1221101212222200221120 |
4 | 102322012120022223 |
5 | 313034314300321 |
6 | 13154320310323 |
7 | 1316051013165 |
oct | 227206301253 |
9 | 57355880846 |
10 | 20302103211 |
11 | 867900a6a5 |
12 | 3b271723a3 |
13 | 1bb7160b30 |
14 | da8485935 |
15 | 7dc542ec6 |
hex | 4ba1982ab |
20302103211 has 8 divisors (see below), whose sum is σ = 29151738000. Its totient is φ = 12493601952.
The previous prime is 20302103207. The next prime is 20302103249. The reversal of 20302103211 is 11230120302.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 20302103211 - 22 = 20302103207 is a prime.
It is not an unprimeable number, because it can be changed into a prime (20302103011) 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, 260283336 + ... + 260283413.
It is an arithmetic number, because the mean of its divisors is an integer number (3643967250).
Almost surely, 220302103211 is an apocalyptic number.
20302103211 is a deficient number, since it is larger than the sum of its proper divisors (8849634789).
20302103211 is a wasteful number, since it uses less digits than its factorization.
20302103211 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 520566765.
The product of its (nonzero) digits is 72, while the sum is 15.
Adding to 20302103211 its reverse (11230120302), we get a palindrome (31532223513).
The spelling of 20302103211 in words is "twenty billion, three hundred two million, one hundred three thousand, two hundred eleven".
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