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50002143445 = 561781161869
BaseRepresentation
bin101110100100010111…
…000010100011010101
311210001201212001212201
4232210113002203111
51304401022042240
634545355244501
73420046130602
oct564427024325
9153051761781
1050002143445
111a2299a74a1
129835749731
13493b340537
1425c4b2b6a9
151479b69d9a
hexba45c28d5

50002143445 has 8 divisors (see below), whose sum is σ = 60003914040. Its totient is φ = 40000820160.

The previous prime is 50002143419. The next prime is 50002143487. The reversal of 50002143445 is 54434120005.

It can be written as a sum of positive squares in 4 ways, for example, as 487438084 + 49514705361 = 22078^2 + 222519^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 50002143445 - 217 = 50002012373 is a prime.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 227971 + ... + 389839.

It is an arithmetic number, because the mean of its divisors is an integer number (7500489255).

Almost surely, 250002143445 is an apocalyptic number.

It is an amenable number.

50002143445 is a deficient number, since it is larger than the sum of its proper divisors (10001770595).

50002143445 is a wasteful number, since it uses less digits than its factorization.

50002143445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223655.

The product of its (nonzero) digits is 9600, while the sum is 28.

The spelling of 50002143445 in words is "fifty billion, two million, one hundred forty-three thousand, four hundred forty-five".

Divisors: 1 5 61781 161869 308905 809345 10000428689 50002143445