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40243244640041 = 68399759098591
BaseRepresentation
bin10010010011001110111000…
…10011010010011100101001
312021111012211220122000200202
421021213130103102130221
520233321131111440131
6221331254045041545
711322323055263342
oct1111473423223451
9167435756560622
1040243244640041
1111906078507403
12461b4b12562b5
13195bbc9c37531
149d1ad7a530c9
1549bc44942bcb
hex2499dc4d2729

40243244640041 has 8 divisors (see below), whose sum is σ = 40342590054144. Its totient is φ = 40144017426480.

The previous prime is 40243244640013. The next prime is 40243244640139. The reversal of 40243244640041 is 14004644234204.

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 40243244640041 - 214 = 40243244623657 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40243244639977 and 40243244640004.

It is not an unprimeable number, because it can be changed into a prime (40243244640941) 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, 28868345 + ... + 30230246.

It is an arithmetic number, because the mean of its divisors is an integer number (5042823756768).

Almost surely, 240243244640041 is an apocalyptic number.

It is an amenable number.

40243244640041 is a deficient number, since it is larger than the sum of its proper divisors (99345414103).

40243244640041 is an equidigital number, since it uses as much as digits as its factorization.

40243244640041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59100271.

The product of its (nonzero) digits is 294912, while the sum is 38.

Adding to 40243244640041 its reverse (14004644234204), we get a palindrome (54247888874245).

The spelling of 40243244640041 in words is "forty trillion, two hundred forty-three billion, two hundred forty-four million, six hundred forty thousand, forty-one".

Divisors: 1 683 997 680951 59098591 40364337653 58921295227 40243244640041