Base | Representation |
---|---|
bin | 11111001011000101010… |
… | …110101111111110000100 |
3 | 21120210101221020121002202 |
4 | 133023011112233332010 |
5 | 240044213411213422 |
6 | 4320040523054032 |
7 | 310524555156350 |
oct | 37130526577604 |
9 | 7523357217082 |
10 | 2142204788612 |
11 | 75655a835279 |
12 | 2a7210071318 |
13 | 127016b434c5 |
14 | 7597cc44460 |
15 | 3aacc564b92 |
hex | 1f2c55aff84 |
2142204788612 has 12 divisors (see below), whose sum is σ = 4284409577280. Its totient is φ = 918087766536.
The previous prime is 2142204788599. The next prime is 2142204788623. The reversal of 2142204788612 is 2168874022412.
It is a happy number.
2142204788612 is an admirable 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, 38253656912 + ... + 38253656967.
It is an arithmetic number, because the mean of its divisors is an integer number (357034131440).
Almost surely, 22142204788612 is an apocalyptic number.
It is an amenable number.
2142204788612 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2142204788612 is a wasteful number, since it uses less digits than its factorization.
2142204788612 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 76507313890 (or 76507313888 counting only the distinct ones).
The product of its (nonzero) digits is 688128, while the sum is 47.
The spelling of 2142204788612 in words is "two trillion, one hundred forty-two billion, two hundred four million, seven hundred eighty-eight thousand, six hundred twelve".
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