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212696089393984 = 26719238912207031
BaseRepresentation
bin110000010111001000101010…
…110110100111101101000000
31000220002112210011201012010221
4300113020222312213231000
5210334303042341101414
62032211122355032424
762541533242500040
oct6027105266475500
91026075704635127
10212696089393984
11618539a553a649
121ba31b15b9b714
13918b202b96131
143a7478d3c3720
15198caa7a9e224
hexc1722ada7b40

212696089393984 has 224 divisors, whose sum is σ = 535781282918400. Its totient is φ = 81674991636480.

The previous prime is 212696089393951. The next prime is 212696089393987. The reversal of 212696089393984 is 489393980696212.

It is a tau number, because it is divible by the number of its divisors (224).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212696089393987) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11320549 + ... + 23527579.

Almost surely, 2212696089393984 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212696089393984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (267890641459200).

212696089393984 is an abundant number, since it is smaller than the sum of its proper divisors (323085193524416).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212696089393984 is a wasteful number, since it uses less digits than its factorization.

212696089393984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12207181 (or 12207171 counting only the distinct ones).

The product of its (nonzero) digits is 2176782336, while the sum is 79.

The spelling of 212696089393984 in words is "two hundred twelve trillion, six hundred ninety-six billion, eighty-nine million, three hundred ninety-three thousand, nine hundred eighty-four".