Search a number
-
+
2056246832640 = 293571113377229
BaseRepresentation
bin11101111011000001110…
…111001010111000000000
321021120112101011222222210
4131323001313022320000
5232142143142121030
64212343213502120
7301362466456620
oct35730167127000
97246471158883
102056246832640
1172305a804740
12292620aa1940
1311bb98573970
1471746ac2880
153874aeb5bb0
hex1dec1dcae00

2056246832640 has 1280 divisors, whose sum is σ = 9065839749120. Its totient is φ = 383692308480.

The previous prime is 2056246832581. The next prime is 2056246832681. The reversal of 2056246832640 is 462386426502.

It is a tau number, because it is divible by the number of its divisors (1280).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 2056246832640.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 284440546 + ... + 284447774.

It is an arithmetic number, because the mean of its divisors is an integer number (7082687304).

Almost surely, 22056246832640 is an apocalyptic number.

2056246832640 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 2056246832640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4532919874560).

2056246832640 is an abundant number, since it is smaller than the sum of its proper divisors (7009592916480).

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

2056246832640 is a wasteful number, since it uses less digits than its factorization.

2056246832640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7323 (or 7307 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 48.

The spelling of 2056246832640 in words is "two trillion, fifty-six billion, two hundred forty-six million, eight hundred thirty-two thousand, six hundred forty".