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50538387005 = 589113569409
BaseRepresentation
bin101111000100010100…
…101001011000111101
311211110002220001202022
4233010110221120331
51312000311341010
635114513005525
73436250126111
oct570424513075
9154402801668
1050538387005
111a484669197
1299652538a5
1349c5475412
142636039741
1514abc91d55
hexbc452963d

50538387005 has 8 divisors (see below), whose sum is σ = 61327481400. Its totient is φ = 39976431616.

The previous prime is 50538387001. The next prime is 50538387017. The reversal of 50538387005 is 50078383505.

50538387005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 756745081 + 49781641924 = 27509^2 + 223118^2 .

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 50538387005 - 22 = 50538387001 is a prime.

It is a super-2 number, since 2×505383870052 (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 (50538387001) 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, 56784260 + ... + 56785149.

It is an arithmetic number, because the mean of its divisors is an integer number (7665935175).

Almost surely, 250538387005 is an apocalyptic number.

It is an amenable number.

50538387005 is a deficient number, since it is larger than the sum of its proper divisors (10789094395).

50538387005 is a wasteful number, since it uses less digits than its factorization.

50538387005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113569503.

The product of its (nonzero) digits is 504000, while the sum is 44.

The spelling of 50538387005 in words is "fifty billion, five hundred thirty-eight million, three hundred eighty-seven thousand, five".

Divisors: 1 5 89 445 113569409 567847045 10107677401 50538387005