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2668212704 = 252329312373
BaseRepresentation
bin1001111100001001…
…1011000111100000
320212221201020201202
42133002123013200
520431030301304
61120433020332
7123056301533
oct23702330740
96787636652
102668212704
11114a155773
126256b46a8
13336a370b1
141b451aa1a
151093a681e
hex9f09b1e0

2668212704 has 48 divisors (see below), whose sum is σ = 5500589472. Its totient is φ = 1271643648.

The previous prime is 2668212667. The next prime is 2668212763. The reversal of 2668212704 is 4072128662.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 209462 + ... + 221834.

It is an arithmetic number, because the mean of its divisors is an integer number (114595614).

Almost surely, 22668212704 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 2668212704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2750294736).

2668212704 is an abundant number, since it is smaller than the sum of its proper divisors (2832376768).

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

2668212704 is a wasteful number, since it uses less digits than its factorization.

2668212704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12699 (or 12691 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 2668212704 is about 51654.7452224866. The cubic root of 2668212704 is about 1386.9904875314.

The spelling of 2668212704 in words is "two billion, six hundred sixty-eight million, two hundred twelve thousand, seven hundred four".

Divisors: 1 2 4 8 16 23 32 46 92 184 293 368 586 736 1172 2344 4688 6739 9376 12373 13478 24746 26956 49492 53912 98984 107824 197968 215648 284579 395936 569158 1138316 2276632 3625289 4553264 7250578 9106528 14501156 29002312 58004624 83381647 116009248 166763294 333526588 667053176 1334106352 2668212704