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212424434411131 = 2345756473578843
BaseRepresentation
bin110000010011001011101010…
…111101000110011001111011
31000212010120121001221020002201
4300103023222331012121323
5210320330220202124011
62031442234334011031
762513105340313345
oct6023135275063173
91025116531836081
10212424434411131
1161759773371258
121b9a9341346a77
13916b6cc5b5427
143a6557c9a2295
1519859a8aa8cc1
hexc132eaf4667b

212424434411131 has 16 divisors (see below), whose sum is σ = 222184713544704. Its totient is φ = 202708015861824.

The previous prime is 212424434411129. The next prime is 212424434411191. The reversal of 212424434411131 is 131114434424212.

It is a cyclic number.

It is not a de Polignac number, because 212424434411131 - 21 = 212424434411129 is a prime.

It is a super-2 number, since 2×2124244344111312 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212424434411191) 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, 57566196 + ... + 61145038.

It is an arithmetic number, because the mean of its divisors is an integer number (13886544596544).

Almost surely, 2212424434411131 is an apocalyptic number.

212424434411131 is a deficient number, since it is larger than the sum of its proper divisors (9760279133573).

212424434411131 is a wasteful number, since it uses less digits than its factorization.

212424434411131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3584970.

The product of its digits is 73728, while the sum is 37.

Adding to 212424434411131 its reverse (131114434424212), we get a palindrome (343538868835343).

The spelling of 212424434411131 in words is "two hundred twelve trillion, four hundred twenty-four billion, four hundred thirty-four million, four hundred eleven thousand, one hundred thirty-one".

Divisors: 1 23 457 5647 10511 129881 2580679 3578843 59355617 82313389 1635531251 20209726421 37617218773 464823707683 9235844974397 212424434411131