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50000050857 = 316666683619
BaseRepresentation
bin101110100100001111…
…000011101010101001
311210001120220202101110
4232210033003222221
51304400003111412
634545242340533
73420022264011
oct564417035251
9153046822343
1050000050857
111a2287a8289
129834aba749
13493aa89c13
1425c4744c41
1514798a4d3c
hexba43c3aa9

50000050857 has 4 divisors (see below), whose sum is σ = 66666734480. Its totient is φ = 33333367236.

The previous prime is 50000050823. The next prime is 50000050873. The reversal of 50000050857 is 75805000005.

It is a happy number.

50000050857 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 50000050857 - 211 = 50000048809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50000050057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8333341807 + ... + 8333341812.

It is an arithmetic number, because the mean of its divisors is an integer number (16666683620).

Almost surely, 250000050857 is an apocalyptic number.

It is an amenable number.

50000050857 is a deficient number, since it is larger than the sum of its proper divisors (16666683623).

50000050857 is a wasteful number, since it uses less digits than its factorization.

50000050857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16666683622.

The product of its (nonzero) digits is 7000, while the sum is 30.

The spelling of 50000050857 in words is "fifty billion, fifty thousand, eight hundred fifty-seven".

Divisors: 1 3 16666683619 50000050857