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1242440130141 = 32719721271907
BaseRepresentation
bin10010000101000111001…
…100111101111001011101
311101202221210022002202100
4102011013030331321131
5130324004133131031
62350434043515313
7155522552566620
oct22050714757135
94352853262670
101242440130141
11439a09077011
12180962828b39
1390214066a52
14441c4bdddb7
15224baa23de6
hex1214733de5d

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".

Divisors: 1 3 7 9 21 63 19721271907 59163815721 138048903349 177491447163 414146710047 1242440130141