Base | Representation |
---|---|
bin | 10100111001101100… |
… | …10010110101011101 |
3 | 1001222001001212001210 |
4 | 22130312102311131 |
5 | 140440140210323 |
6 | 5053253455033 |
7 | 545035303263 |
oct | 123466226535 |
9 | 31861055053 |
10 | 11221413213 |
11 | 483921691a |
12 | 2212041479 |
13 | 109aa6b39a |
14 | 786468433 |
15 | 45a228293 |
hex | 29cd92d5d |
11221413213 has 16 divisors (see below), whose sum is σ = 15618502656. Its totient is φ = 7152887280.
The previous prime is 11221413199. The next prime is 11221413221. The reversal of 11221413213 is 31231412211.
It is not a de Polignac number, because 11221413213 - 29 = 11221412701 is a prime.
It is a super-2 number, since 2×112214132132 (a number of 21 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 11221413213.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (11221413283) 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 15 ways as a sum of consecutive naturals, for example, 153856 + ... + 214742.
It is an arithmetic number, because the mean of its divisors is an integer number (976156416).
Almost surely, 211221413213 is an apocalyptic number.
It is an amenable number.
11221413213 is a deficient number, since it is larger than the sum of its proper divisors (4397089443).
11221413213 is a wasteful number, since it uses less digits than its factorization.
11221413213 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 63584.
The product of its digits is 288, while the sum is 21.
Adding to 11221413213 its reverse (31231412211), we get a palindrome (42452825424).
The spelling of 11221413213 in words is "eleven billion, two hundred twenty-one million, four hundred thirteen thousand, two hundred thirteen".
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