Base | Representation |
---|---|
bin | 100000001101001110010… |
… | …101000110110010101011 |
3 | 21211120201021020122012122 |
4 | 200031032111012302223 |
5 | 242230134403010011 |
6 | 4412423523101455 |
7 | 315620466155654 |
oct | 40151625066253 |
9 | 7746637218178 |
10 | 2213222313131 |
11 | 78369332a5a5 |
12 | 2b8b2b81188b |
13 | 13092402276b |
14 | 79198a4a52b |
15 | 3c8871693db |
hex | 2034e546cab |
2213222313131 has 4 divisors (see below), whose sum is σ = 2214344069952. Its totient is φ = 2212100556312.
The previous prime is 2213222313041. The next prime is 2213222313143. The reversal of 2213222313131 is 1313132223122.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-2213222313131 is a prime.
It is a super-2 number, since 2×22132223131312 (a number of 25 digits) contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 2213222313131.
It is not an unprimeable number, because it can be changed into a prime (2213222316131) 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, 560875451 + ... + 560879396.
It is an arithmetic number, because the mean of its divisors is an integer number (553586017488).
Almost surely, 22213222313131 is an apocalyptic number.
2213222313131 is a deficient number, since it is larger than the sum of its proper divisors (1121756821).
2213222313131 is a wasteful number, since it uses less digits than its factorization.
2213222313131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1121756820.
The product of its digits is 2592, while the sum is 26.
Adding to 2213222313131 its reverse (1313132223122), we get a palindrome (3526354536253).
Subtracting from 2213222313131 its reverse (1313132223122), we obtain a palindrome (900090090009).
The spelling of 2213222313131 in words is "two trillion, two hundred thirteen billion, two hundred twenty-two million, three hundred thirteen thousand, one hundred thirty-one".
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