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20051232242 = 212479803399
BaseRepresentation
bin10010101011001001…
…011000010111110010
31220202101221010200012
4102223021120113302
5312031103412432
613113355254522
71306613443016
oct225311302762
956671833605
1020051232242
11855a441618
123a7714a442
131b771a4b82
14d83020546
157c54dacb2
hex4ab2585f2

20051232242 has 8 divisors (see below), whose sum is σ = 30079296000. Its totient is φ = 10024800244.

The previous prime is 20051232221. The next prime is 20051232269. The reversal of 20051232242 is 24223215002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 376742 + ... + 426657.

It is an arithmetic number, because the mean of its divisors is an integer number (3759912000).

Almost surely, 220051232242 is an apocalyptic number.

20051232242 is a deficient number, since it is larger than the sum of its proper divisors (10028063758).

20051232242 is a wasteful number, since it uses less digits than its factorization.

20051232242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 815880.

The product of its (nonzero) digits is 1920, while the sum is 23.

Adding to 20051232242 its reverse (24223215002), we get a palindrome (44274447244).

The spelling of 20051232242 in words is "twenty billion, fifty-one million, two hundred thirty-two thousand, two hundred forty-two".

Divisors: 1 2 12479 24958 803399 1606798 10025616121 20051232242