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105680960724 = 22367263499787
BaseRepresentation
bin110001001101100010…
…0110111110011010100
3101002210002101001022110
41202123010313303110
53212413311220344
6120314341431020
710430605226133
oct1423304676324
9332702331273
10105680960724
1140901168a69
121859440b470
139c72772671
14518774191a
152b37d523b9
hex189b137cd4

105680960724 has 48 divisors (see below), whose sum is σ = 251221436928. Its totient is φ = 34569198048.

The previous prime is 105680960701. The next prime is 105680960729. The reversal of 105680960724 is 427069086501.

It is a super-2 number, since 2×1056809607242 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105680960729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38442 + ... + 461345.

It is an arithmetic number, because the mean of its divisors is an integer number (5233779936).

Almost surely, 2105680960724 is an apocalyptic number.

It is an amenable number.

105680960724 is an abundant number, since it is smaller than the sum of its proper divisors (145540476204).

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

105680960724 is a wasteful number, since it uses less digits than its factorization.

105680960724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500124 (or 500122 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 48.

The spelling of 105680960724 in words is "one hundred five billion, six hundred eighty million, nine hundred sixty thousand, seven hundred twenty-four".

Divisors: 1 2 3 4 6 12 67 134 201 263 268 402 526 789 804 1052 1578 3156 17621 35242 52863 70484 105726 211452 499787 999574 1499361 1999148 2998722 5997444 33485729 66971458 100457187 131443981 133942916 200914374 262887962 394331943 401828748 525775924 788663886 1577327772 8806746727 17613493454 26420240181 35226986908 52840480362 105680960724