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50813269289 = 319716898327
BaseRepresentation
bin101111010100101101…
…001111010100101001
311212011021010112100122
4233110231033110221
51313031144104124
635202052413025
73446125443146
oct572455172451
9155137115318
1050813269289
111a605847332
129a21317175
134a3a3ba563
1426607513cd
1514c5e8d75e
hexbd4b4f529

50813269289 has 8 divisors (see below), whose sum is σ = 52993156608. Its totient is φ = 48667178880.

The previous prime is 50813269253. The next prime is 50813269313. The reversal of 50813269289 is 98296231805.

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 50813269289 - 212 = 50813265193 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 50813269289.

It is not an unprimeable number, because it can be changed into a prime (50813269249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8446157 + ... + 8452170.

It is an arithmetic number, because the mean of its divisors is an integer number (6624144576).

Almost surely, 250813269289 is an apocalyptic number.

It is an amenable number.

50813269289 is a deficient number, since it is larger than the sum of its proper divisors (2179887319).

50813269289 is a wasteful number, since it uses less digits than its factorization.

50813269289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16898455.

The product of its (nonzero) digits is 1866240, while the sum is 53.

The spelling of 50813269289 in words is "fifty billion, eight hundred thirteen million, two hundred sixty-nine thousand, two hundred eighty-nine".

Divisors: 1 31 97 3007 16898327 523848137 1639137719 50813269289