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20012322806 = 271429451629
BaseRepresentation
bin10010101000110100…
…111100111111110110
31220122200201022221222
4102220310330333312
5311441123312211
613105445310342
71305631636310
oct225064747766
956580638858
1020012322806
11853a486363
123a661053b2
131b6c100838
14d7bbb27b0
157c1da21db
hex4a8d3cff6

20012322806 has 8 divisors (see below), whose sum is σ = 34306839120. Its totient is φ = 8576709768.

The previous prime is 20012322797. The next prime is 20012322823. The reversal of 20012322806 is 60822321002.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 714725801 + ... + 714725828.

It is an arithmetic number, because the mean of its divisors is an integer number (4288354890).

Almost surely, 220012322806 is an apocalyptic number.

20012322806 is a deficient number, since it is larger than the sum of its proper divisors (14294516314).

20012322806 is a wasteful number, since it uses less digits than its factorization.

20012322806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1429451638.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 20012322806 its reverse (60822321002), we get a palindrome (80834643808).

The spelling of 20012322806 in words is "twenty billion, twelve million, three hundred twenty-two thousand, eight hundred six".

Divisors: 1 2 7 14 1429451629 2858903258 10006161403 20012322806