Base | Representation |
---|---|
bin | 1000101110110101010… |
… | …10001000001010101101 |
3 | 1001200101222212010010112 |
4 | 10113122222020022231 |
5 | 14403420413020023 |
6 | 345454451545405 |
7 | 30450543202304 |
oct | 4273252101255 |
9 | 1050358763115 |
10 | 300021220013 |
11 | 1062691801a9 |
12 | 4a1905bb265 |
13 | 223a434b428 |
14 | 10741ca743b |
15 | 7c0e4a1478 |
hex | 45daa882ad |
300021220013 has 16 divisors (see below), whose sum is σ = 318793992000. Its totient is φ = 281548058112.
The previous prime is 300021219991. The next prime is 300021220021. The reversal of 300021220013 is 310022120003.
It is a happy number.
It is not a de Polignac number, because 300021220013 - 228 = 299752784557 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 300021220013.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (300021220043) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8720381 + ... + 8754717.
It is an arithmetic number, because the mean of its divisors is an integer number (19924624500).
Almost surely, 2300021220013 is an apocalyptic number.
It is an amenable number.
300021220013 is a deficient number, since it is larger than the sum of its proper divisors (18772771987).
300021220013 is a wasteful number, since it uses less digits than its factorization.
300021220013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 38684.
The product of its (nonzero) digits is 72, while the sum is 14.
Adding to 300021220013 its reverse (310022120003), we get a palindrome (610043340016).
The spelling of 300021220013 in words is "three hundred billion, twenty-one million, two hundred twenty thousand, thirteen".
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