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213012120412141 = 222163395880877
BaseRepresentation
bin110000011011101110111111…
…110001010001111111101101
31000221012202111220211022121021
4300123232333301101333231
5210404442310311142031
62033012230040334141
762603421630021601
oct6033567761217755
91027182456738537
10213012120412141
1161965a29838086
121ba83214174351
1391b1c5901b4ab
143a85bad64d501
151995e0282e511
hexc1bbbfc51fed

213012120412141 has 4 divisors (see below), whose sum is σ = 213012218514652. Its totient is φ = 213012022309632.

The previous prime is 213012120412127. The next prime is 213012120412183. The reversal of 213012120412141 is 141214021210312.

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 19982500292041 + 193029620120100 = 4470179^2 + 13893510^2 .

It is a cyclic number.

It is not a de Polignac number, because 213012120412141 - 211 = 213012120410093 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 (213012120416141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45718806 + ... + 50162071.

It is an arithmetic number, because the mean of its divisors is an integer number (53253054628663).

Almost surely, 2213012120412141 is an apocalyptic number.

It is an amenable number.

213012120412141 is a deficient number, since it is larger than the sum of its proper divisors (98102511).

213012120412141 is an equidigital number, since it uses as much as digits as its factorization.

213012120412141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98102510.

The product of its (nonzero) digits is 768, while the sum is 25.

Adding to 213012120412141 its reverse (141214021210312), we get a palindrome (354226141622453).

The spelling of 213012120412141 in words is "two hundred thirteen trillion, twelve billion, one hundred twenty million, four hundred twelve thousand, one hundred forty-one".

Divisors: 1 2221633 95880877 213012120412141