Base | Representation |
---|---|
bin | 100000010101100000110… |
… | …011001011011100110101 |
3 | 21212102200111210201110210 |
4 | 200111200303023130311 |
5 | 242401401230333023 |
6 | 4420455004540033 |
7 | 316354154244504 |
oct | 40254063133465 |
9 | 7772614721423 |
10 | 2222122121013 |
11 | 787440008a23 |
12 | 2ba7b4251619 |
13 | 131711ac2982 |
14 | 797a0a2083b |
15 | 3cc08654593 |
hex | 20560ccb735 |
2222122121013 has 4 divisors (see below), whose sum is σ = 2962829494688. Its totient is φ = 1481414747340.
The previous prime is 2222122120949. The next prime is 2222122121029. The reversal of 2222122121013 is 3101212212222.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is not a de Polignac number, because 2222122121013 - 26 = 2222122120949 is a prime.
It is a super-2 number, since 2×22221221210132 (a number of 25 digits) contains 22 as substring.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2222122021013) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 370353686833 + ... + 370353686838.
It is an arithmetic number, because the mean of its divisors is an integer number (740707373672).
Almost surely, 22222122121013 is an apocalyptic number.
It is an amenable number.
2222122121013 is a deficient number, since it is larger than the sum of its proper divisors (740707373675).
2222122121013 is an equidigital number, since it uses as much as digits as its factorization.
2222122121013 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 740707373674.
The product of its (nonzero) digits is 384, while the sum is 21.
Adding to 2222122121013 its reverse (3101212212222), we get a palindrome (5323334333235).
The spelling of 2222122121013 in words is "two trillion, two hundred twenty-two billion, one hundred twenty-two million, one hundred twenty-one thousand, thirteen".
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