Base | Representation |
---|---|
bin | 10001110000100001010… |
… | …110101100110111010010 |
3 | 11022122212220202220220110 |
4 | 101300201112230313102 |
5 | 124443214024423442 |
6 | 2332340105422150 |
7 | 154110631332066 |
oct | 21604126546722 |
9 | 4278786686813 |
10 | 1220330311122 |
11 | 4305a271280a |
12 | 17861219a956 |
13 | 8b0cc543bc0 |
14 | 430c8633aa6 |
15 | 21b2495169c |
hex | 11c215acdd2 |
1220330311122 has 32 divisors (see below), whose sum is σ = 2742682174848. Its totient is φ = 359160759936.
The previous prime is 1220330311097. The next prime is 1220330311177. The reversal of 1220330311122 is 2211130330221.
It is an unprimeable number.
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, 340112563 + ... + 340116150.
It is an arithmetic number, because the mean of its divisors is an integer number (85708817964).
Almost surely, 21220330311122 is an apocalyptic number.
1220330311122 is an abundant number, since it is smaller than the sum of its proper divisors (1522351863726).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1220330311122 is a wasteful number, since it uses less digits than its factorization.
1220330311122 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 680228754.
The product of its (nonzero) digits is 432, while the sum is 21.
Adding to 1220330311122 its reverse (2211130330221), we get a palindrome (3431460641343).
The spelling of 1220330311122 in words is "one trillion, two hundred twenty billion, three hundred thirty million, three hundred eleven thousand, one hundred twenty-two".
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