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20434560050 = 252844748383
BaseRepresentation
bin10011000001111111…
…101010010000110010
31221202010020012120102
4103001333222100302
5313322221410200
613215411312402
71322246615552
oct230177522062
957663205512
1020434560050
11873685a463
123b635ab702
131c08729968
14dbbcc5162
157e8ea96d5
hex4c1fea432

20434560050 has 24 divisors (see below), whose sum is σ = 38013566976. Its totient is φ = 8172687440.

The previous prime is 20434560019. The next prime is 20434560089. The reversal of 20434560050 is 5006543402.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20434559995 and 20434560022.

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 11 ways as a sum of consecutive naturals, for example, 398159 + ... + 446541.

It is an arithmetic number, because the mean of its divisors is an integer number (1583898624).

Almost surely, 220434560050 is an apocalyptic number.

20434560050 is a deficient number, since it is larger than the sum of its proper divisors (17579006926).

20434560050 is a wasteful number, since it uses less digits than its factorization.

20434560050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56842 (or 56837 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 29.

The spelling of 20434560050 in words is "twenty billion, four hundred thirty-four million, five hundred sixty thousand, fifty".

Divisors: 1 2 5 10 25 50 8447 16894 42235 48383 84470 96766 211175 241915 422350 483830 1209575 2419150 408691201 817382402 2043456005 4086912010 10217280025 20434560050