Base | Representation |
---|---|
bin | 10100101010110111101… |
… | …100111111011100011111 |
3 | 12000210100121010212222011 |
4 | 110222313230333130133 |
5 | 141233010313414130 |
6 | 3004311004332051 |
7 | 204423235156543 |
oct | 24526754773437 |
9 | 5023317125864 |
10 | 1420421232415 |
11 | 4a8440834479 |
12 | 1ab354244027 |
13 | a3c39648453 |
14 | 4ca6a821a23 |
15 | 26e35d8552a |
hex | 14ab7b3f71f |
1420421232415 has 8 divisors (see below), whose sum is σ = 1714358112768. Its totient is φ = 1129768563360.
The previous prime is 1420421232407. The next prime is 1420421232463. The reversal of 1420421232415 is 5142321240241.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 1420421232415 - 23 = 1420421232407 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 821051871 + ... + 821053600.
It is an arithmetic number, because the mean of its divisors is an integer number (214294764096).
Almost surely, 21420421232415 is an apocalyptic number.
1420421232415 is a deficient number, since it is larger than the sum of its proper divisors (293936880353).
1420421232415 is a wasteful number, since it uses less digits than its factorization.
1420421232415 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1642105649.
The product of its (nonzero) digits is 15360, while the sum is 31.
Adding to 1420421232415 its reverse (5142321240241), we get a palindrome (6562742472656).
The spelling of 1420421232415 in words is "one trillion, four hundred twenty billion, four hundred twenty-one million, two hundred thirty-two thousand, four hundred fifteen".
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