Base | Representation |
---|---|
bin | 10001110000010110001… |
… | …100101101010101100001 |
3 | 11022122101212120202110200 |
4 | 101300112030231111201 |
5 | 124442323121022431 |
6 | 2332305342015413 |
7 | 154103166405162 |
oct | 21602614552541 |
9 | 4278355522420 |
10 | 1220143142241 |
11 | 430506aa3a91 |
12 | 17857b577569 |
13 | 8b09c82cc9a |
14 | 430ab831769 |
15 | 21b132cdee6 |
hex | 11c1632d561 |
1220143142241 has 24 divisors (see below), whose sum is σ = 1766853816000. Its totient is φ = 811387016352.
The previous prime is 1220143142237. The next prime is 1220143142329. The reversal of 1220143142241 is 1422413410221.
1220143142241 is a `hidden beast` number, since 1 + 2 + 2 + 0 + 1 + 431 + 4 + 224 + 1 = 666.
It is not a de Polignac number, because 1220143142241 - 22 = 1220143142237 is a prime.
It is not an unprimeable number, because it can be changed into a prime (1220143142341) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42367875 + ... + 42396663.
It is an arithmetic number, because the mean of its divisors is an integer number (73618909000).
Almost surely, 21220143142241 is an apocalyptic number.
It is an amenable number.
1220143142241 is a deficient number, since it is larger than the sum of its proper divisors (546710673759).
1220143142241 is a wasteful number, since it uses less digits than its factorization.
1220143142241 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 40453 (or 40450 counting only the distinct ones).
The product of its (nonzero) digits is 3072, while the sum is 27.
Adding to 1220143142241 its reverse (1422413410221), we get a palindrome (2642556552462).
The spelling of 1220143142241 in words is "one trillion, two hundred twenty billion, one hundred forty-three million, one hundred forty-two thousand, two hundred forty-one".
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