Base | Representation |
---|---|
bin | 11101011010010100010… |
… | …000101001100000100101 |
3 | 21011012212110122201020110 |
4 | 131122110100221200211 |
5 | 231103224214141123 |
6 | 4144253551123233 |
7 | 266010200503305 |
oct | 35322420514045 |
9 | 7135773581213 |
10 | 2021122021413 |
11 | 70a175766130 |
12 | 287859813519 |
13 | 11878b5301b1 |
14 | 6db73ba7605 |
15 | 378924ce493 |
hex | 1d694429825 |
2021122021413 has 8 divisors (see below), whose sum is σ = 2939813849376. Its totient is φ = 1224922437200.
The previous prime is 2021122021411. The next prime is 2021122021469. The reversal of 2021122021413 is 3141202211202.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2021122021413 - 21 = 2021122021411 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 2021122021413.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2021122021411) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30623060898 + ... + 30623060963.
It is an arithmetic number, because the mean of its divisors is an integer number (367476731172).
Almost surely, 22021122021413 is an apocalyptic number.
It is an amenable number.
2021122021413 is a deficient number, since it is larger than the sum of its proper divisors (918691827963).
2021122021413 is a wasteful number, since it uses less digits than its factorization.
2021122021413 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 61246121875.
The product of its (nonzero) digits is 384, while the sum is 21.
Adding to 2021122021413 its reverse (3141202211202), we get a palindrome (5162324232615).
The spelling of 2021122021413 in words is "two trillion, twenty-one billion, one hundred twenty-two million, twenty-one thousand, four hundred thirteen".
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