Base | Representation |
---|---|
bin | 111000110011111100… |
… | …0101100100101011101 |
3 | 102122220112021202111210 |
4 | 1301213320230211131 |
5 | 3444330003001341 |
6 | 132014050135033 |
7 | 11546215614513 |
oct | 1614770544535 |
9 | 378815252453 |
10 | 122002000221 |
11 | 47816a48562 |
12 | 1b78a281479 |
13 | b673bb1c9a |
14 | 5c951a24b3 |
15 | 3290b10c16 |
hex | 1c67e2c95d |
122002000221 has 16 divisors (see below), whose sum is σ = 164913641280. Its totient is φ = 80212728960.
The previous prime is 122002000189. The next prime is 122002000223. The reversal of 122002000221 is 122000200221.
It is not a de Polignac number, because 122002000221 - 25 = 122002000189 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 122002000197 and 122002000206.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122002000223) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3030895 + ... + 3070883.
It is an arithmetic number, because the mean of its divisors is an integer number (10307102580).
Almost surely, 2122002000221 is an apocalyptic number.
It is an amenable number.
122002000221 is a deficient number, since it is larger than the sum of its proper divisors (42911641059).
122002000221 is a wasteful number, since it uses less digits than its factorization.
122002000221 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 53996.
The product of its (nonzero) digits is 32, while the sum is 12.
Adding to 122002000221 its reverse (122000200221), we get a palindrome (244002200442).
The spelling of 122002000221 in words is "one hundred twenty-two billion, two million, two hundred twenty-one", and thus it is an aban number.
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