Base | Representation |
---|---|
bin | 100000010011101110010… |
… | …111010011101100000110 |
3 | 21212020201201011020120100 |
4 | 200103232113103230012 |
5 | 242333433231241402 |
6 | 4415540302344530 |
7 | 316255452265440 |
oct | 40235627235406 |
9 | 7766651136510 |
10 | 2220202212102 |
11 | 7866452a4a46 |
12 | 2ba35928b146 |
13 | 13149710b2b4 |
14 | 7965ba53490 |
15 | 3cb44d1271c |
hex | 204ee5d3b06 |
2220202212102 has 24 divisors (see below), whose sum is σ = 5497643573136. Its totient is φ = 634343489136.
The previous prime is 2220202212097. The next prime is 2220202212139. The reversal of 2220202212102 is 2012122020222.
It is a super-2 number, since 2×22202022121022 (a number of 25 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8810326113 + ... + 8810326364.
It is an arithmetic number, because the mean of its divisors is an integer number (229068482214).
Almost surely, 22220202212102 is an apocalyptic number.
2220202212102 is an abundant number, since it is smaller than the sum of its proper divisors (3277441361034).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2220202212102 is a wasteful number, since it uses less digits than its factorization.
2220202212102 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17620652492 (or 17620652489 counting only the distinct ones).
The product of its (nonzero) digits is 256, while the sum is 18.
Adding to 2220202212102 its reverse (2012122020222), we get a palindrome (4232324232324).
The spelling of 2220202212102 in words is "two trillion, two hundred twenty billion, two hundred two million, two hundred twelve thousand, one hundred two".
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