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50015666009 = 372821947903
BaseRepresentation
bin101110100101001010…
…100111111101011001
311210002200022002100102
4232211022213331121
51304413002303014
634551001145145
73420302101151
oct564512477531
9153080262312
1050015666009
111a2365a3171
12983a18b1b5
13494109655a
1425c684b761
15147ae3b8de
hexba52a7f59

50015666009 has 8 divisors (see below), whose sum is σ = 51370333440. Its totient is φ = 48661150896.

The previous prime is 50015666003. The next prime is 50015666033. The reversal of 50015666009 is 90066651005.

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 50015666009 - 24 = 50015665993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50015666003) 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, 1020152 + ... + 1068054.

It is an arithmetic number, because the mean of its divisors is an integer number (6421291680).

Almost surely, 250015666009 is an apocalyptic number.

It is an amenable number.

50015666009 is a deficient number, since it is larger than the sum of its proper divisors (1354667431).

50015666009 is a wasteful number, since it uses less digits than its factorization.

50015666009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76159.

The product of its (nonzero) digits is 48600, while the sum is 38.

The spelling of 50015666009 in words is "fifty billion, fifteen million, six hundred sixty-six thousand, nine".

Divisors: 1 37 28219 47903 1044103 1772411 1351774757 50015666009