Base | Representation |
---|---|
bin | 10001110010001100000… |
… | …001110101000110111110 |
3 | 11022211111122101122020010 |
4 | 101302030001311012332 |
5 | 130010400210030412 |
6 | 2333233441004050 |
7 | 154203162421515 |
oct | 21621401650676 |
9 | 4284448348203 |
10 | 1222120001982 |
11 | 431330975a70 |
12 | 178a31623626 |
13 | 8b326264789 |
14 | 432181c567c |
15 | 21bcbb2033c |
hex | 11c8c0751be |
1222120001982 has 32 divisors (see below), whose sum is σ = 2676582247680. Its totient is φ = 368931254720.
The previous prime is 1222120001969. The next prime is 1222120002031. The reversal of 1222120001982 is 2891000212221.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35186007 + ... + 35220722.
It is an arithmetic number, because the mean of its divisors is an integer number (83643195240).
Almost surely, 21222120001982 is an apocalyptic number.
1222120001982 is an abundant number, since it is smaller than the sum of its proper divisors (1454462245698).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1222120001982 is a wasteful number, since it uses less digits than its factorization.
1222120001982 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 70407008.
The product of its (nonzero) digits is 2304, while the sum is 30.
The spelling of 1222120001982 in words is "one trillion, two hundred twenty-two billion, one hundred twenty million, one thousand, nine hundred eighty-two".
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