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20550671067 = 361112298749
BaseRepresentation
bin10011001000111010…
…100101101011011011
31222001012201020221110
4103020322211223123
5314041432433232
613235120111403
71325156551623
oct231072455333
958035636843
1020550671067
118796355383
123b96465563
131c267c16c4
14dcd4ab883
15804292acc
hex4c8ea5adb

20550671067 has 8 divisors (see below), whose sum is σ = 27850090000. Its totient is φ = 13475849760.

The previous prime is 20550671033. The next prime is 20550671107. The reversal of 20550671067 is 76017605502.

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

It is not a de Polignac number, because 20550671067 - 210 = 20550670043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20550671027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56149192 + ... + 56149557.

It is an arithmetic number, because the mean of its divisors is an integer number (3481261250).

Almost surely, 220550671067 is an apocalyptic number.

20550671067 is a deficient number, since it is larger than the sum of its proper divisors (7299418933).

20550671067 is a wasteful number, since it uses less digits than its factorization.

20550671067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112298813.

The product of its (nonzero) digits is 88200, while the sum is 39.

The spelling of 20550671067 in words is "twenty billion, five hundred fifty million, six hundred seventy-one thousand, sixty-seven".

Divisors: 1 3 61 183 112298749 336896247 6850223689 20550671067