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212210521145413 = 7194733948251663
BaseRepresentation
bin110000010000000100011100…
…101110110000000001000101
31000211101010110002101102002121
4300100010130232300001011
5210303324121403123123
62031200100110205541
762461463353462420
oct6020043456600105
91024333402342077
10212210521145413
1161686a8196264a
121b9739a21b38b1
13915449b934a5b
143a59088b449b7
151980138e3575d
hexc1011cbb0045

212210521145413 has 16 divisors (see below), whose sum is σ = 260722572779520. Its totient is φ = 168654914256816.

The previous prime is 212210521145393. The next prime is 212210521145443. The reversal of 212210521145413 is 314541125012212.

It is a cyclic number.

It is not a de Polignac number, because 212210521145413 - 213 = 212210521137221 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 (212210521145443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16974119581 + ... + 16974132082.

It is an arithmetic number, because the mean of its divisors is an integer number (16295160798720).

Almost surely, 2212210521145413 is an apocalyptic number.

It is an amenable number.

212210521145413 is a deficient number, since it is larger than the sum of its proper divisors (48512051634107).

212210521145413 is a wasteful number, since it uses less digits than its factorization.

212210521145413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33948251736.

The product of its (nonzero) digits is 19200, while the sum is 34.

Adding to 212210521145413 its reverse (314541125012212), we get a palindrome (526751646157625).

The spelling of 212210521145413 in words is "two hundred twelve trillion, two hundred ten billion, five hundred twenty-one million, one hundred forty-five thousand, four hundred thirteen".

Divisors: 1 7 19 47 133 329 893 6251 33948251663 237637761641 645016781597 1595567828161 4515117471179 11168974797127 30315788735059 212210521145413