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2813234905728 = 273213312474159
BaseRepresentation
bin101000111100000001110…
…111100000001010000000
3100221221110011210110111100
4220330001313200022000
5332043001113440403
65552214323214400
7410151404102052
oct50740167401200
910857404713440
102813234905728
119950a48440a5
12395282817400
1317539646b8c0
149a23884b8d2
154d2a31732a3
hex28f01de0280

2813234905728 has 576 divisors, whose sum is σ = 9202278758400. Its totient is φ = 819667537920.

The previous prime is 2813234905717. The next prime is 2813234905751. The reversal of 2813234905728 is 8275094323182.

2813234905728 is a `hidden beast` number, since 2 + 8 + 1 + 3 + 23 + 49 + 0 + 572 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (576).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 676418913 + ... + 676423071.

It is an arithmetic number, because the mean of its divisors is an integer number (15976178400).

Almost surely, 22813234905728 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 2813234905728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4601139379200).

2813234905728 is an abundant number, since it is smaller than the sum of its proper divisors (6389043852672).

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

2813234905728 is a wasteful number, since it uses less digits than its factorization.

2813234905728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4301 (or 4255 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 54.

The spelling of 2813234905728 in words is "two trillion, eight hundred thirteen billion, two hundred thirty-four million, nine hundred five thousand, seven hundred twenty-eight".