Base | Representation |
---|---|
bin | 11110111000011101110… |
… | …000100110000010100100 |
3 | 21111212210200101201101212 |
4 | 132320131300212002210 |
5 | 234232243024402322 |
6 | 4302533052210552 |
7 | 306216263621561 |
oct | 36703560460244 |
9 | 7455720351355 |
10 | 2122213122212 |
11 | 749030a88427 |
12 | 2a3370a69a58 |
13 | 12517c0c5ac1 |
14 | 74a03acb868 |
15 | 3a30c3e30e2 |
hex | 1ee1dc260a4 |
2122213122212 has 12 divisors (see below), whose sum is σ = 3752160314700. Its totient is φ = 1050167318016.
The previous prime is 2122213122199. The next prime is 2122213122217.
2122213122212 is nontrivially palindromic in base 10.
It can be written as a sum of positive squares in 2 ways, for example, as 1250854349056 + 871358773156 = 1118416^2 + 933466^2 .
It is not an unprimeable number, because it can be changed into a prime (2122213122217) 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, 2734810337 + ... + 2734811112.
It is an arithmetic number, because the mean of its divisors is an integer number (312680026225).
Almost surely, 22122213122212 is an apocalyptic number.
It is an amenable number.
2122213122212 is a deficient number, since it is larger than the sum of its proper divisors (1629947192488).
2122213122212 is a wasteful number, since it uses less digits than its factorization.
2122213122212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5469621550 (or 5469621548 counting only the distinct ones).
The product of its digits is 768, while the sum is 23.
The spelling of 2122213122212 in words is "two trillion, one hundred twenty-two billion, two hundred thirteen million, one hundred twenty-two thousand, two hundred twelve".
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