Base | Representation |
---|---|
bin | 10010000101000111001… |
… | …100111101111001011101 |
3 | 11101202221210022002202100 |
4 | 102011013030331321131 |
5 | 130324004133131031 |
6 | 2350434043515313 |
7 | 155522552566620 |
oct | 22050714757135 |
9 | 4352853262670 |
10 | 1242440130141 |
11 | 439a09077011 |
12 | 180962828b39 |
13 | 90214066a52 |
14 | 441c4bdddb7 |
15 | 224baa23de6 |
hex | 1214733de5d |
1242440130141 has 12 divisors (see below), whose sum is σ = 2051012278432. Its totient is φ = 709965788616.
The previous prime is 1242440130137. The next prime is 1242440130157. The reversal of 1242440130141 is 1410310442421.
1242440130141 is a `hidden beast` number, since 1 + 242 + 4 + 401 + 3 + 0 + 14 + 1 = 666.
It is not a de Polignac number, because 1242440130141 - 22 = 1242440130137 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1242440130101) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9860635891 + ... + 9860636016.
Almost surely, 21242440130141 is an apocalyptic number.
It is an amenable number.
1242440130141 is a deficient number, since it is larger than the sum of its proper divisors (808572148291).
1242440130141 is a wasteful number, since it uses less digits than its factorization.
1242440130141 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19721271920 (or 19721271917 counting only the distinct ones).
The product of its (nonzero) digits is 3072, while the sum is 27.
Adding to 1242440130141 its reverse (1410310442421), we get a palindrome (2652750572562).
The spelling of 1242440130141 in words is "one trillion, two hundred forty-two billion, four hundred forty million, one hundred thirty thousand, one hundred forty-one".
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