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213442402403341 = 19310912110134797
BaseRepresentation
bin110000100001111111101110…
…100100110100010000001101
31000222201220011000022020011201
4300201333232210310100031
5210434020020003401331
62033542030324545501
762646463464424336
oct6041775644642015
91028656130266151
10213442402403341
11620114617a7691
121bb32698852291
1392136bc285707
143a9c94b4a328d
1519a21d79a4a61
hexc21fee93440d

213442402403341 has 8 divisors (see below), whose sum is σ = 214550308907064. Its totient is φ = 212334516387840.

The previous prime is 213442402403309. The next prime is 213442402403369. The reversal of 213442402403341 is 143304204244312.

It can be written as a sum of positive squares in 4 ways, for example, as 10274723787241 + 203167678616100 = 3205421^2 + 14253690^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 213442402403341 - 25 = 213442402403309 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 213442402403341.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213442402403641) 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 7 ways as a sum of consecutive naturals, for example, 15992955 + ... + 26127751.

It is an arithmetic number, because the mean of its divisors is an integer number (26818788613383).

Almost surely, 2213442402403341 is an apocalyptic number.

It is an amenable number.

213442402403341 is a deficient number, since it is larger than the sum of its proper divisors (1107906503723).

213442402403341 is a wasteful number, since it uses less digits than its factorization.

213442402403341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10244111.

The product of its (nonzero) digits is 221184, while the sum is 37.

Adding to 213442402403341 its reverse (143304204244312), we get a palindrome (356746606647653).

The spelling of 213442402403341 in words is "two hundred thirteen trillion, four hundred forty-two billion, four hundred two million, four hundred three thousand, three hundred forty-one".

Divisors: 1 193 109121 10134797 21060353 1956015821 1105919183437 213442402403341