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50500000105 = 510100000021
BaseRepresentation
bin101111000010000010…
…001101100101101001
311211100102122210211021
4233002002031211221
51311411000000410
635111022132441
73435302630002
oct570202154551
9154312583737
1050500000105
111a464a2a585
129954421121
1349ba524b89
142630cc61a9
1514a870ceda
hexbc208d969

50500000105 has 4 divisors (see below), whose sum is σ = 60600000132. Its totient is φ = 40400000080.

The previous prime is 50500000087. The next prime is 50500000121. The reversal of 50500000105 is 50100000505.

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 24892319529 + 25607680576 = 157773^2 + 160024^2 .

It is not a de Polignac number, because 50500000105 - 25 = 50500000073 is a prime.

It is a super-2 number, since 2×505000001052 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5050000006 + ... + 5050000015.

It is an arithmetic number, because the mean of its divisors is an integer number (15150000033).

Almost surely, 250500000105 is an apocalyptic number.

It is an amenable number.

50500000105 is a deficient number, since it is larger than the sum of its proper divisors (10100000027).

50500000105 is a wasteful number, since it uses less digits than its factorization.

50500000105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10100000026.

The product of its (nonzero) digits is 125, while the sum is 16.

The spelling of 50500000105 in words is "fifty billion, five hundred million, one hundred five", and thus it is an aban number.

Divisors: 1 5 10100000021 50500000105