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50420570017 = 164299306883
BaseRepresentation
bin101110111101010011…
…001101011110100001
311211010220012100020011
4232331103031132201
51311230131220032
635055103444521
73433316526256
oct567523153641
9154126170204
1050420570017
111a424108584
1299318b6741
1349a6c3401c
14262452b42d
1514a176d247
hexbbd4cd7a1

50420570017 has 4 divisors (see below), whose sum is σ = 50421041200. Its totient is φ = 50420098836.

The previous prime is 50420569993. The next prime is 50420570087. The reversal of 50420570017 is 71007502405.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-50420570017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50420570087) 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, 10858 + ... + 317740.

It is an arithmetic number, because the mean of its divisors is an integer number (12605260300).

Almost surely, 250420570017 is an apocalyptic number.

It is an amenable number.

50420570017 is a deficient number, since it is larger than the sum of its proper divisors (471183).

50420570017 is a wasteful number, since it uses less digits than its factorization.

50420570017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471182.

The product of its (nonzero) digits is 9800, while the sum is 31.

The spelling of 50420570017 in words is "fifty billion, four hundred twenty million, five hundred seventy thousand, seventeen".

Divisors: 1 164299 306883 50420570017