Base | Representation |
---|---|
bin | 10110110000101111… |
… | …01001101010011011 |
3 | 1011112122002222201220 |
4 | 23120113221222123 |
5 | 200011310410321 |
6 | 5340325143123 |
7 | 611552253450 |
oct | 133027515233 |
9 | 34478088656 |
10 | 12220013211 |
11 | 520097387a |
12 | 245055aaa3 |
13 | 11c9908263 |
14 | 83cd2d827 |
15 | 4b7c2e9c6 |
hex | 2d85e9a9b |
12220013211 has 32 divisors (see below), whose sum is σ = 18983766528. Its totient is φ = 6846977280.
The previous prime is 12220013189. The next prime is 12220013213. The reversal of 12220013211 is 11231002221.
It is not a de Polignac number, because 12220013211 - 26 = 12220013147 is a prime.
It is not an unprimeable number, because it can be changed into a prime (12220013213) 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 31 ways as a sum of consecutive naturals, for example, 3623356 + ... + 3626726.
It is an arithmetic number, because the mean of its divisors is an integer number (593242704).
Almost surely, 212220013211 is an apocalyptic number.
12220013211 is a deficient number, since it is larger than the sum of its proper divisors (6763753317).
12220013211 is a wasteful number, since it uses less digits than its factorization.
12220013211 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6691.
The product of its (nonzero) digits is 48, while the sum is 15.
Adding to 12220013211 its reverse (11231002221), we get a palindrome (23451015432).
The spelling of 12220013211 in words is "twelve billion, two hundred twenty million, thirteen thousand, two hundred eleven".
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