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51712472300 = 22522917831887
BaseRepresentation
bin110000001010010011…
…011011010011101100
311221110221010202222212
4300022103123103230
51321401343103200
635431213425552
73510324522236
oct601223332354
9157427122885
1051712472300
111aa27384915
12a03249b2b8
134b51795248
142707d41256
151529dae035
hexc0a4db4ec

51712472300 has 36 divisors (see below), whose sum is σ = 116085590880. Its totient is φ = 19971712320.

The previous prime is 51712472299. The next prime is 51712472359. The reversal of 51712472300 is 327421715.

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, 8913044 + ... + 8918843.

Almost surely, 251712472300 is an apocalyptic number.

51712472300 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

51712472300 is an abundant number, since it is smaller than the sum of its proper divisors (64373118580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51712472300 is a wasteful number, since it uses less digits than its factorization.

51712472300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17831930 (or 17831923 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 32.

The spelling of 51712472300 in words is "fifty-one billion, seven hundred twelve million, four hundred seventy-two thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 29 50 58 100 116 145 290 580 725 1450 2900 17831887 35663774 71327548 89159435 178318870 356637740 445797175 517124723 891594350 1034249446 1783188700 2068498892 2585623615 5171247230 10342494460 12928118075 25856236150 51712472300