Base | Representation |
---|---|
bin | 100000010011101000011… |
… | …001110011001101100100 |
3 | 21212020110201222012210100 |
4 | 200103220121303031210 |
5 | 242333232130432322 |
6 | 4415522331024100 |
7 | 316253126232426 |
oct | 40235031631544 |
9 | 7766421865710 |
10 | 2220102202212 |
11 | 7865a38a7044 |
12 | 2ba32b89b030 |
13 | 13147c49314b |
14 | 7964c65c816 |
15 | 3cb3b159dac |
hex | 204e8673364 |
2220102202212 has 18 divisors (see below), whose sum is σ = 5611925011238. Its totient is φ = 740034067392.
The previous prime is 2220102202211. The next prime is 2220102202229. The reversal of 2220102202212 is 2122022010222.
2220102202212 is a `hidden beast` number, since 2 + 220 + 1 + 0 + 220 + 221 + 2 = 666.
It can be written as a sum of positive squares in only one way, i.e., 1783202353956 + 436899848256 = 1335366^2 + 660984^2 .
It is a tau number, because it is divible by the number of its divisors (18).
It is a Harshad number since it is a multiple of its sum of digits (18).
It is not an unprimeable number, because it can be changed into a prime (2220102202211) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 30834752773 + ... + 30834752844.
Almost surely, 22220102202212 is an apocalyptic number.
It is an amenable number.
2220102202212 is an abundant number, since it is smaller than the sum of its proper divisors (3391822809026).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2220102202212 is a wasteful number, since it uses less digits than its factorization.
2220102202212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 61669505627 (or 61669505622 counting only the distinct ones).
The product of its (nonzero) digits is 256, while the sum is 18.
Adding to 2220102202212 its reverse (2122022010222), we get a palindrome (4342124212434).
The spelling of 2220102202212 in words is "two trillion, two hundred twenty billion, one hundred two million, two hundred two thousand, two hundred twelve".
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