Base | Representation |
---|---|
bin | 11101101110001100001… |
… | …11100110011100101011 |
3 | 10121121222100112121011102 |
4 | 32313012013212130223 |
5 | 113212440132133121 |
6 | 2101051435152015 |
7 | 133532026245302 |
oct | 16670607463453 |
9 | 3547870477142 |
10 | 1021231130411 |
11 | 364113393468 |
12 | 145b082a560b |
13 | 753bca472bb |
14 | 375dc043439 |
15 | 1b87061b90b |
hex | edc61e672b |
1021231130411 has 8 divisors (see below), whose sum is σ = 1031384607600. Its totient is φ = 1011078482400.
The previous prime is 1021231130399. The next prime is 1021231130441. The reversal of 1021231130411 is 1140311321201.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1021231130411 - 218 = 1021230868267 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1021231130441) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2434700 + ... + 2823158.
It is an arithmetic number, because the mean of its divisors is an integer number (128923075950).
Almost surely, 21021231130411 is an apocalyptic number.
1021231130411 is a deficient number, since it is larger than the sum of its proper divisors (10153477189).
1021231130411 is a wasteful number, since it uses less digits than its factorization.
1021231130411 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 414589.
The product of its (nonzero) digits is 144, while the sum is 20.
Adding to 1021231130411 its reverse (1140311321201), we get a palindrome (2161542451612).
The spelling of 1021231130411 in words is "one trillion, twenty-one billion, two hundred thirty-one million, one hundred thirty thousand, four hundred eleven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •