Base | Representation |
---|---|
bin | 10001110000010100111… |
… | …100111110100010111011 |
3 | 11022122100102020212122110 |
4 | 101300110330332202323 |
5 | 124442302243204321 |
6 | 2332303314023403 |
7 | 154102523634216 |
oct | 21602474764273 |
9 | 4278312225573 |
10 | 1220122241211 |
11 | 4304a6218805 |
12 | 178574577b63 |
13 | 8b0983c2703 |
14 | 430a8b5077d |
15 | 21b11551176 |
hex | 11c14f3e8bb |
1220122241211 has 8 divisors (see below), whose sum is σ = 1627394734080. Its totient is φ = 813132287912.
The previous prime is 1220122241209. The next prime is 1220122241227. The reversal of 1220122241211 is 1121422210221.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1220122241211 - 21 = 1220122241209 is a prime.
It is not an unprimeable number, because it can be changed into a prime (1220122241201) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70624815 + ... + 70642088.
It is an arithmetic number, because the mean of its divisors is an integer number (203424341760).
Almost surely, 21220122241211 is an apocalyptic number.
1220122241211 is a deficient number, since it is larger than the sum of its proper divisors (407272492869).
1220122241211 is a wasteful number, since it uses less digits than its factorization.
1220122241211 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 141269785.
The product of its (nonzero) digits is 256, while the sum is 21.
Adding to 1220122241211 its reverse (1121422210221), we get a palindrome (2341544451432).
The spelling of 1220122241211 in words is "one trillion, two hundred twenty billion, one hundred twenty-two million, two hundred forty-one thousand, two hundred eleven".
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