Base | Representation |
---|---|
bin | 1010000011010000001101… |
… | …00101001000001001011100 |
3 | 2220020221011020002000211122 |
4 | 11001220012211020021130 |
5 | 10344104410044214322 |
6 | 115001305120310112 |
7 | 4440550315050521 |
oct | 501500645101134 |
9 | 86227136060748 |
10 | 22102012101212 |
11 | 70514576a638a |
12 | 258b627172338 |
13 | c4429817ac74 |
14 | 565a59097148 |
15 | 284dcda51442 |
hex | 141a0694825c |
22102012101212 has 12 divisors (see below), whose sum is σ = 38678666919816. Its totient is φ = 11050964409840.
The previous prime is 22102012101173. The next prime is 22102012101227. The reversal of 22102012101212 is 21210121020122.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9200318 + ... + 11351205.
It is an arithmetic number, because the mean of its divisors is an integer number (3223222243318).
Almost surely, 222102012101212 is an apocalyptic number.
It is an amenable number.
22102012101212 is a deficient number, since it is larger than the sum of its proper divisors (16576654818604).
22102012101212 is a wasteful number, since it uses less digits than its factorization.
22102012101212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20820388 (or 20820386 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 17.
Adding to 22102012101212 its reverse (21210121020122), we get a palindrome (43312133121334).
The spelling of 22102012101212 in words is "twenty-two trillion, one hundred two billion, twelve million, one hundred one thousand, two hundred twelve".
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