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50056110001 = 73685700137
BaseRepresentation
bin101110100111100100…
…111001111110110001
311210012111101212002001
4232213210321332301
51310003331010001
634555004054001
73421302625522
oct564744717661
9153174355061
1050056110001
111a257407357
12984b834301
134949587201
1425cbd78849
15147e77a001
hexba7939fb1

50056110001 has 4 divisors (see below), whose sum is σ = 50741810212. Its totient is φ = 49370409792.

The previous prime is 50056109963. The next prime is 50056110017. The reversal of 50056110001 is 10001165005.

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

It can be written as a sum of positive squares in 2 ways, for example, as 13013333776 + 37042776225 = 114076^2 + 192465^2 .

It is a cyclic number.

It is not a de Polignac number, because 50056110001 - 211 = 50056107953 is a prime.

It is a super-2 number, since 2×500561100012 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50056110031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 342849996 + ... + 342850141.

It is an arithmetic number, because the mean of its divisors is an integer number (12685452553).

Almost surely, 250056110001 is an apocalyptic number.

It is an amenable number.

50056110001 is a deficient number, since it is larger than the sum of its proper divisors (685700211).

50056110001 is an equidigital number, since it uses as much as digits as its factorization.

50056110001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 685700210.

The product of its (nonzero) digits is 150, while the sum is 19.

Adding to 50056110001 its reverse (10001165005), we get a palindrome (60057275006).

The spelling of 50056110001 in words is "fifty billion, fifty-six million, one hundred ten thousand, one".

Divisors: 1 73 685700137 50056110001