Search a number
-
+
2733708656640 = 21435132773089
BaseRepresentation
bin100111110001111101101…
…110111100000000000000
3100200100011212010102120110
4213301331232330000000
5324242113404003030
65451503131511320
7401334564120333
oct47617556740000
910610155112513
102733708656640
119643a52a60a5
123819895b8540
1316aa3152b290
149645299461a
154b19b5851b0
hex27c7dbbc000

2733708656640 has 480 divisors, whose sum is σ = 9457562802240. Its totient is φ = 670266556416.

The previous prime is 2733708656629. The next prime is 2733708656641. The reversal of 2733708656640 is 466568073372.

It is a tau number, because it is divible by the number of its divisors (480).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2733708656641) 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, 884980216 + ... + 884983304.

It is an arithmetic number, because the mean of its divisors is an integer number (19703255838).

Almost surely, 22733708656640 is an apocalyptic number.

2733708656640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2733708656640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4728781401120).

2733708656640 is an abundant number, since it is smaller than the sum of its proper divisors (6723854145600).

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

2733708656640 is a wasteful number, since it uses less digits than its factorization.

2733708656640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3415 (or 3389 counting only the distinct ones).

The product of its (nonzero) digits is 30481920, while the sum is 57.

The spelling of 2733708656640 in words is "two trillion, seven hundred thirty-three billion, seven hundred eight million, six hundred fifty-six thousand, six hundred forty".