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213011123201201 = 1329782837217611
BaseRepresentation
bin110000011011101110000100…
…010101001110010010110001
31000221012122221102101202100202
4300123232010111032102301
5210404433240014414301
62033011543054524545
762603355130615223
oct6033560425162261
91027178842352322
10213011123201201
1161965567949806
121ba82b96206755
1391b1b2a549950
143a85b1702a413
151995d94eee66b
hexc1bb8454e4b1

213011123201201 has 16 divisors (see below), whose sum is σ = 237309885879360. Its totient is φ = 189843005862720.

The previous prime is 213011123201183. The next prime is 213011123201209. The reversal of 213011123201201 is 102102321110312.

It is a cyclic number.

It is not a de Polignac number, because 213011123201201 - 218 = 213011122939057 is a prime.

It is a super-3 number, since 3×2130111232012013 (a number of 44 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213011123201209) 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, 25903886 + ... + 33121496.

It is an arithmetic number, because the mean of its divisors is an integer number (14831867867460).

Almost surely, 2213011123201201 is an apocalyptic number.

It is an amenable number.

213011123201201 is a deficient number, since it is larger than the sum of its proper divisors (24298762678159).

213011123201201 is a wasteful number, since it uses less digits than its factorization.

213011123201201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7295936.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 213011123201201 its reverse (102102321110312), we get a palindrome (315113444311513).

The spelling of 213011123201201 in words is "two hundred thirteen trillion, eleven billion, one hundred twenty-three million, two hundred one thousand, two hundred one".

Divisors: 1 13 29 377 78283 1017679 2270207 7217611 29512691 93828943 209310719 2721039347 565016241913 7345211144869 16385471015477 213011123201201