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4240143240021 = 331312080180171
BaseRepresentation
bin111101101100111100001…
…110110100101101010101
3120000100112212120021022000
4331230330032310231111
51023432303132140041
613003521145025513
7615224462604243
oct75547416645525
916010485507260
104240143240021
111395264356197
12585927485299
13249ac7a70170
1410931ca37793
15754687acbb6
hex3db3c3b4b55

4240143240021 has 16 divisors (see below), whose sum is σ = 6764900896320. Its totient is φ = 2609318916720.

The previous prime is 4240143240007. The next prime is 4240143240031. The reversal of 4240143240021 is 1200423410424.

4240143240021 is a `hidden beast` number, since 4 + 240 + 14 + 3 + 2 + 400 + 2 + 1 = 666.

It is not a de Polignac number, because 4240143240021 - 210 = 4240143238997 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4240143240031) 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, 6040089735 + ... + 6040090436.

It is an arithmetic number, because the mean of its divisors is an integer number (422806306020).

Almost surely, 24240143240021 is an apocalyptic number.

It is an amenable number.

4240143240021 is a deficient number, since it is larger than the sum of its proper divisors (2524757656299).

4240143240021 is a wasteful number, since it uses less digits than its factorization.

4240143240021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12080180193 (or 12080180187 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 4240143240021 its reverse (1200423410424), we get a palindrome (5440566650445).

The spelling of 4240143240021 in words is "four trillion, two hundred forty billion, one hundred forty-three million, two hundred forty thousand, twenty-one".

Divisors: 1 3 9 13 27 39 117 351 12080180171 36240540513 108721621539 157042342223 326164864617 471127026669 1413381080007 4240143240021