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212133301211311 = 19766910399139999
BaseRepresentation
bin110000001110111100100010…
…000100000101000010101111
31000211002202010111110022120021
4300032330202010011002233
5210301043000102230221
62031100405423103011
762453060650043254
oct6016744204050257
91024082114408507
10212133301211311
1161657256259197
121b960a31441a67
13914a11376aa5c
143a554412c142b
15197d119a65041
hexc0ef221050af

212133301211311 has 16 divisors (see below), whose sum is σ = 223350400000000. Its totient is φ = 200921426932896.

The previous prime is 212133301211309. The next prime is 212133301211333. The reversal of 212133301211311 is 113112103331212.

It is a cyclic number.

It is not a de Polignac number, because 212133301211311 - 21 = 212133301211309 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 (212133301211011) 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, 1515178690 + ... + 1515318688.

It is an arithmetic number, because the mean of its divisors is an integer number (13959400000000).

Almost surely, 2212133301211311 is an apocalyptic number.

212133301211311 is a deficient number, since it is larger than the sum of its proper divisors (11217098788689).

212133301211311 is a wasteful number, since it uses less digits than its factorization.

212133301211311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158086.

The product of its (nonzero) digits is 648, while the sum is 25.

Adding to 212133301211311 its reverse (113112103331212), we get a palindrome (325245404542523).

The spelling of 212133301211311 in words is "two hundred twelve trillion, one hundred thirty-three billion, three hundred one million, two hundred eleven thousand, three hundred eleven".

Divisors: 1 19 7669 10399 139999 145711 197581 2659981 79749931 1073652331 1455849601 1515248689 20399394289 27661142419 11164910590069 212133301211311