Base | Representation |
---|---|
bin | 10100111001101011… |
… | …00001100011000010 |
3 | 1001222000200121010122 |
4 | 22130311201203002 |
5 | 140440112230310 |
6 | 5053245300242 |
7 | 545033502560 |
oct | 123465414302 |
9 | 31860617118 |
10 | 11221211330 |
11 | 483909917a |
12 | 2211b64682 |
13 | 109a9ca524 |
14 | 786414a30 |
15 | 45a1d8555 |
hex | 29cd618c2 |
11221211330 has 64 divisors (see below), whose sum is σ = 24641003520. Its totient is φ = 3593419200.
The previous prime is 11221211299. The next prime is 11221211341. The reversal of 11221211330 is 3311212211.
It is a junction number, because it is equal to n+sod(n) for n = 11221211299 and 11221211308.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35015 + ... + 153845.
It is an arithmetic number, because the mean of its divisors is an integer number (385015680).
Almost surely, 211221211330 is an apocalyptic number.
11221211330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
11221211330 is an abundant number, since it is smaller than the sum of its proper divisors (13419792190).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
11221211330 is a wasteful number, since it uses less digits than its factorization.
11221211330 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 118935.
The product of its (nonzero) digits is 72, while the sum is 17.
Adding to 11221211330 its reverse (3311212211), we get a palindrome (14532423541).
The spelling of 11221211330 in words is "eleven billion, two hundred twenty-one million, two hundred eleven thousand, three hundred thirty".
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