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211425910488 = 23321317131101429
BaseRepresentation
bin1100010011100111110…
…1110101111011011000
3202012201122011002002100
43010321331311323120
511431000013113423
6241043331003400
721163221405252
oct3047175657330
9665648132070
10211425910488
1181735461931
1234b86139560
1316c2555a860
14a33977ccd2
1557765e4343
hex3139f75ed8

211425910488 has 192 divisors, whose sum is σ = 657923666400. Its totient is φ = 60759429120.

The previous prime is 211425910441. The next prime is 211425910499. The reversal of 211425910488 is 884019524112.

211425910488 is a `hidden beast` number, since 2 + 1 + 14 + 2 + 591 + 0 + 48 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2033758 + ... + 2135186.

Almost surely, 2211425910488 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 211425910488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (328961833200).

211425910488 is an abundant number, since it is smaller than the sum of its proper divisors (446497755912).

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

211425910488 is a wasteful number, since it uses less digits than its factorization.

211425910488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101602 (or 101595 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 45.

The spelling of 211425910488 in words is "two hundred eleven billion, four hundred twenty-five million, nine hundred ten thousand, four hundred eighty-eight".