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51430529089 = 2267832
BaseRepresentation
bin101111111001011111…
…111001100001000001
311220202021121120121201
4233321133321201001
51320312203412324
635343222421201
73500332166332
oct577137714101
9156667546551
1051430529089
111a8a22137a5
129b73b91801
134b0824a244
1426bc70c289
15151026a444
hexbf97f9841

51430529089 has 3 divisors (see below), whose sum is σ = 51430755873. Its totient is φ = 51430302306.

The previous prime is 51430529083. The next prime is 51430529123. The reversal of 51430529089 is 98092503415.

The square root of 51430529089 is 226783.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 51430529089 - 211 = 51430527041 is a prime.

It is a super-3 number, since 3×514305290893 (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51430529083) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 113392 + ... + 340174.

It is an arithmetic number, because the mean of its divisors is an integer number (17143585291).

Almost surely, 251430529089 is an apocalyptic number.

51430529089 is the 226783-rd square number.

51430529089 is the 113392-nd centered octagonal number.

It is an amenable number.

51430529089 is a deficient number, since it is larger than the sum of its proper divisors (226784).

51430529089 is an frugal number, since it uses more digits than its factorization.

51430529089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453566 (or 226783 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 46.

The spelling of 51430529089 in words is "fifty-one billion, four hundred thirty million, five hundred twenty-nine thousand, eighty-nine".

Divisors: 1 226783 51430529089