Search a number
-
+
2013916753856 = 267193127128163
BaseRepresentation
bin11101010011100110110…
…010101110111111000000
321010112021022200012022002
4131103212302232333000
5230444000142110411
64141103001203132
7265333506650330
oct35234662567700
97115238605262
102013916753856
11707108560a57
122863887904a8
13117bb0847477
146d68cc970c0
15375beb6a33b
hex1d4e6caefc0

2013916753856 has 224 divisors, whose sum is σ = 4981233745920. Its totient is φ = 788355763200.

The previous prime is 2013916753843. The next prime is 2013916753859. The reversal of 2013916753856 is 6583576193102.

It is a tau number, because it is divible by the number of its divisors (224).

It is a Harshad number since it is a multiple of its sum of digits (56).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2013916753859) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 71495231 + ... + 71523393.

Almost surely, 22013916753856 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 2013916753856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2490616872960).

2013916753856 is an abundant number, since it is smaller than the sum of its proper divisors (2967316992064).

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

2013916753856 is a wasteful number, since it uses less digits than its factorization.

2013916753856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28503 (or 28493 counting only the distinct ones).

The product of its (nonzero) digits is 8164800, while the sum is 56.

The spelling of 2013916753856 in words is "two trillion, thirteen billion, nine hundred sixteen million, seven hundred fifty-three thousand, eight hundred fifty-six".