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213985846051141 = 241887908074901
BaseRepresentation
bin110000101001111001110110…
…010101110100000101000101
31001001122211212112101220121211
4300221321312111310011011
5211021421003042114031
62035035423544211421
763033652514262223
oct6051716625640505
91031584775356554
10213985846051141
116220098455073a
121bbbba82a69b71
139252a17a51858
143abad82383b13
1519b13e2599bb1
hexc29e76574145

213985846051141 has 4 divisors (see below), whose sum is σ = 214873754126284. Its totient is φ = 213097937976000.

The previous prime is 213985846051123. The next prime is 213985846051163. The reversal of 213985846051141 is 141150648589312.

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 132462029916225 + 81523816134916 = 11509215^2 + 9029054^2 .

It is a cyclic number.

It is not a de Polignac number, because 213985846051141 - 221 = 213985843953989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213985846001141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 443954037210 + ... + 443954037691.

It is an arithmetic number, because the mean of its divisors is an integer number (53718438531571).

Almost surely, 2213985846051141 is an apocalyptic number.

It is an amenable number.

213985846051141 is a deficient number, since it is larger than the sum of its proper divisors (887908075143).

213985846051141 is an equidigital number, since it uses as much as digits as its factorization.

213985846051141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 887908075142.

The product of its (nonzero) digits is 8294400, while the sum is 58.

The spelling of 213985846051141 in words is "two hundred thirteen trillion, nine hundred eighty-five billion, eight hundred forty-six million, fifty-one thousand, one hundred forty-one".

Divisors: 1 241 887908074901 213985846051141