Base | Representation |
---|---|
bin | 10001110000100110111… |
… | …100001000101001000001 |
3 | 11022200010110002100000120 |
4 | 101300212330020221001 |
5 | 124443412021312210 |
6 | 2332353254010453 |
7 | 154113146632413 |
oct | 21604674105101 |
9 | 4280113070016 |
10 | 1220424010305 |
11 | 4306405a0355 |
12 | 178639646a29 |
13 | 8b115a8c7c6 |
14 | 430d6c649b3 |
15 | 21b2ccae270 |
hex | 11c26f08a41 |
1220424010305 has 16 divisors (see below), whose sum is σ = 2067541853184. Its totient is φ = 612604993280.
The previous prime is 1220424010283. The next prime is 1220424010313. The reversal of 1220424010305 is 5030104240221.
It is not a de Polignac number, because 1220424010305 - 211 = 1220424008257 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2392988001 + ... + 2392988510.
It is an arithmetic number, because the mean of its divisors is an integer number (129221365824).
Almost surely, 21220424010305 is an apocalyptic number.
1220424010305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
1220424010305 is a deficient number, since it is larger than the sum of its proper divisors (847117842879).
1220424010305 is a wasteful number, since it uses less digits than its factorization.
1220424010305 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4785976536.
The product of its (nonzero) digits is 1920, while the sum is 24.
Adding to 1220424010305 its reverse (5030104240221), we get a palindrome (6250528250526).
The spelling of 1220424010305 in words is "one trillion, two hundred twenty billion, four hundred twenty-four million, ten thousand, three hundred five".
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