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20650125163 = 160735393631
BaseRepresentation
bin10011001110110101…
…111110011101101011
31222022010212001022111
4103032311332131223
5314242413001123
613253031503151
71330505111353
oct231665763553
958263761274
1020650125163
118837503748
124003827ab7
131c412a3895
14ddc799b63
1580cd8a90d
hex4ced7e76b

20650125163 has 8 divisors (see below), whose sum is σ = 20674506240. Its totient is φ = 20625761640.

The previous prime is 20650125161. The next prime is 20650125169. The reversal of 20650125163 is 36152105602.

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 20650125163 - 21 = 20650125161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20650125161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5685358 + ... + 5688988.

It is an arithmetic number, because the mean of its divisors is an integer number (2584313280).

Almost surely, 220650125163 is an apocalyptic number.

20650125163 is a deficient number, since it is larger than the sum of its proper divisors (24381077).

20650125163 is a wasteful number, since it uses less digits than its factorization.

20650125163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8777.

The product of its (nonzero) digits is 10800, while the sum is 31.

The spelling of 20650125163 in words is "twenty billion, six hundred fifty million, one hundred twenty-five thousand, one hundred sixty-three".

Divisors: 1 1607 3539 3631 5687173 5835017 12850109 20650125163