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50105051111 = 52395803157
BaseRepresentation
bin101110101010011111…
…100110011111100111
311210022220111022122202
4232222133212133213
51310103343113421
635003513045115
73422435623133
oct565237463747
9153286438582
1050105051111
111a281aa4555
1298640b679b
13495676164b
1425d46783c3
151483be610b
hexbaa7e67e7

50105051111 has 4 divisors (see below), whose sum is σ = 50200854792. Its totient is φ = 50009247432.

The previous prime is 50105051083. The next prime is 50105051131. The reversal of 50105051111 is 11115050105.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11115050105 = 52223010021.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-50105051111 is a prime.

It is a super-2 number, since 2×501050511112 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50105051131) 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, 47901056 + ... + 47902101.

It is an arithmetic number, because the mean of its divisors is an integer number (12550213698).

Almost surely, 250105051111 is an apocalyptic number.

50105051111 is a deficient number, since it is larger than the sum of its proper divisors (95803681).

50105051111 is an equidigital number, since it uses as much as digits as its factorization.

50105051111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95803680.

The product of its (nonzero) digits is 125, while the sum is 20.

The spelling of 50105051111 in words is "fifty billion, one hundred five million, fifty-one thousand, one hundred eleven".

Divisors: 1 523 95803157 50105051111