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50147628143 = 175857503647
BaseRepresentation
bin101110101101000010…
…000001010001101111
311210102212121110100212
4232231002001101233
51310200243100033
635012033413035
73423463543334
oct565502012157
9153385543325
1050147628143
111a2a4035288
12987640a17b
13496251b162
1425da19c98b
151487806748
hexbad08146f

50147628143 has 8 divisors (see below), whose sum is σ = 53106659712. Its totient is φ = 47189615616.

The previous prime is 50147628101. The next prime is 50147628151. The reversal of 50147628143 is 34182674105.

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 50147628143 - 212 = 50147624047 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 50147628143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50147628163) by changing a digit.

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, 152255 + ... + 351392.

It is an arithmetic number, because the mean of its divisors is an integer number (6638332464).

Almost surely, 250147628143 is an apocalyptic number.

50147628143 is a deficient number, since it is larger than the sum of its proper divisors (2959031569).

50147628143 is a wasteful number, since it uses less digits than its factorization.

50147628143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 509521.

The product of its (nonzero) digits is 161280, while the sum is 41.

The spelling of 50147628143 in words is "fifty billion, one hundred forty-seven million, six hundred twenty-eight thousand, one hundred forty-three".

Divisors: 1 17 5857 99569 503647 8561999 2949860479 50147628143