Base | Representation |
---|---|
bin | 110010000100010111010011… |
… | …001011001000101001100100 |
3 | 1001212200010102101222102022110 |
4 | 302010113103023020221210 |
5 | 212330243122112211322 |
6 | 2100155300502001020 |
7 | 64245041214302103 |
oct | 6204272313105144 |
9 | 1055603371872273 |
10 | 220202221210212 |
11 | 641882682386aa |
12 | 208447ba416170 |
13 | 95b3c98b0b647 |
14 | 3c53bb6d6203a |
15 | 1a6ce723a5c0c |
hex | c845d32c8a64 |
220202221210212 has 12 divisors (see below), whose sum is σ = 513805182823856. Its totient is φ = 73400740403400.
The previous prime is 220202221210211. The next prime is 220202221210243. The reversal of 220202221210212 is 212012122202022.
It is a tau number, because it is divible by the number of its divisors (12).
It is a super-3 number, since 3×2202022212102123 (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is not an unprimeable number, because it can be changed into a prime (220202221210211) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9175092550414 + ... + 9175092550437.
Almost surely, 2220202221210212 is an apocalyptic number.
It is an amenable number.
220202221210212 is an abundant number, since it is smaller than the sum of its proper divisors (293602961613644).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
220202221210212 is a wasteful number, since it uses less digits than its factorization.
220202221210212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18350185100858 (or 18350185100856 counting only the distinct ones).
The product of its (nonzero) digits is 512, while the sum is 21.
Adding to 220202221210212 its reverse (212012122202022), we get a palindrome (432214343412234).
The spelling of 220202221210212 in words is "two hundred twenty trillion, two hundred two billion, two hundred twenty-one million, two hundred ten thousand, two hundred twelve".
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