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212389073049244 = 227313411511923419
BaseRepresentation
bin110000010010101010101111…
…010000001101011010011100
31000212000012022200021220211211
4300102222233100031122130
5210314240310200033434
62031414105421154204
762510414136562000
oct6022525720153234
91025005280256754
10212389073049244
1161745777845733
121b9a25129bb964
13916828555ab60
143a639864ac700
151984ad9448464
hexc12aaf40d69c

212389073049244 has 192 divisors, whose sum is σ = 481341240576000. Its totient is φ = 81429824448000.

The previous prime is 212389073049221. The next prime is 212389073049319. The reversal of 212389073049244 is 442940370983212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 109460967 + ... + 111384385.

It is an arithmetic number, because the mean of its divisors is an integer number (2506985628000).

Almost surely, 2212389073049244 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 212389073049244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (240670620288000).

212389073049244 is an abundant number, since it is smaller than the sum of its proper divisors (268952167526756).

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

212389073049244 is a wasteful number, since it uses less digits than its factorization.

212389073049244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1923649 (or 1923633 counting only the distinct ones).

The product of its (nonzero) digits is 20901888, while the sum is 58.

The spelling of 212389073049244 in words is "two hundred twelve trillion, three hundred eighty-nine billion, seventy-three million, forty-nine thousand, two hundred forty-four".