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50000049511 = 172941179383
BaseRepresentation
bin101110100100001111…
…000011010101100111
311210001120220200112121
4232210033003111213
51304400003041021
634545242330411
73420022260046
oct564417032547
9153046820477
1050000049511
111a2287a7275
129834ab9a07
13493aa89419
1425c474455d
1514798a4741
hexba43c3567

50000049511 has 4 divisors (see below), whose sum is σ = 52941228912. Its totient is φ = 47058870112.

The previous prime is 50000049509. The next prime is 50000049551. The reversal of 50000049511 is 11594000005.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 50000049511 - 21 = 50000049509 is a prime.

It is a super-2 number, since 2×500000495112 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50000049551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1470589675 + ... + 1470589708.

It is an arithmetic number, because the mean of its divisors is an integer number (13235307228).

Almost surely, 250000049511 is an apocalyptic number.

50000049511 is a deficient number, since it is larger than the sum of its proper divisors (2941179401).

50000049511 is a wasteful number, since it uses less digits than its factorization.

50000049511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2941179400.

The product of its (nonzero) digits is 900, while the sum is 25.

Adding to 50000049511 its reverse (11594000005), we get a palindrome (61594049516).

The spelling of 50000049511 in words is "fifty billion, forty-nine thousand, five hundred eleven".

Divisors: 1 17 2941179383 50000049511