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213453613630141 = 1201811776101161
BaseRepresentation
bin110000100010001010001010…
…110100010000001010111101
31000222202222002100012120002221
4300202022022310100022331
5210434211000042131031
62033551123020245341
762650341350323633
oct6042121264201275
91028688070176087
10213453613630141
1162016195196285
121bb348a73a0851
139214787b98421
143a9d2d2439353
1519a2641d69a11
hexc2228ad102bd

213453613630141 has 4 divisors (see below), whose sum is σ = 213455389851484. Its totient is φ = 213451837408800.

The previous prime is 213453613630097. The next prime is 213453613630211. The reversal of 213453613630141 is 141036316354312.

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 198578545404100 + 14875068226041 = 14091790^2 + 3856821^2 .

It is a cyclic number.

It is not a de Polignac number, because 213453613630141 - 215 = 213453613597373 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 (213453643630141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 887930400 + ... + 888170761.

It is an arithmetic number, because the mean of its divisors is an integer number (53363847462871).

Almost surely, 2213453613630141 is an apocalyptic number.

It is an amenable number.

213453613630141 is a deficient number, since it is larger than the sum of its proper divisors (1776221343).

213453613630141 is a wasteful number, since it uses less digits than its factorization.

213453613630141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1776221342.

The product of its (nonzero) digits is 466560, while the sum is 43.

Adding to 213453613630141 its reverse (141036316354312), we get a palindrome (354489929984453).

The spelling of 213453613630141 in words is "two hundred thirteen trillion, four hundred fifty-three billion, six hundred thirteen million, six hundred thirty thousand, one hundred forty-one".

Divisors: 1 120181 1776101161 213453613630141