Base | Representation |
---|---|
bin | 11110110110100111000… |
… | …010000001001101000110 |
3 | 21111200122212020122111101 |
4 | 132312213002001031012 |
5 | 234214203111414342 |
6 | 4302003254330314 |
7 | 306116025566005 |
oct | 36664702011506 |
9 | 7450585218441 |
10 | 2120221201222 |
11 | 7481a9659733 |
12 | 2a2ab595999a |
13 | 124c22519b27 |
14 | 74895336c3c |
15 | 3a2425c93b7 |
hex | 1eda7081346 |
2120221201222 has 8 divisors (see below), whose sum is σ = 3347717686200. Its totient is φ = 1004315305824.
The previous prime is 2120221201211. The next prime is 2120221201223. The reversal of 2120221201222 is 2221021220212.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-3 number, since 3×21202212012223 (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Harshad number since it is a multiple of its sum of digits (19).
It is a self number, because there is not a number n which added to its sum of digits gives 2120221201222.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2120221201223) by changing a digit.
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 3 ways as a sum of consecutive naturals, for example, 27897647347 + ... + 27897647422.
It is an arithmetic number, because the mean of its divisors is an integer number (418464710775).
Almost surely, 22120221201222 is an apocalyptic number.
2120221201222 is a deficient number, since it is larger than the sum of its proper divisors (1227496484978).
2120221201222 is a wasteful number, since it uses less digits than its factorization.
2120221201222 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 55795294790.
The product of its (nonzero) digits is 256, while the sum is 19.
Adding to 2120221201222 its reverse (2221021220212), we get a palindrome (4341242421434).
The spelling of 2120221201222 in words is "two trillion, one hundred twenty billion, two hundred twenty-one million, two hundred one thousand, two hundred twenty-two".
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