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13313001240 = 23345711174373
BaseRepresentation
bin11000110011000010…
…00100011100011000
31021100210202112110000
430121201010130120
5204231112014430
610041011453000
7650623433460
oct143141043430
937323675400
1013313001240
115711929970
1226b65b7160
1313421a2436
14904164ba0
1552db7ce60
hex319844718

13313001240 has 1280 divisors, whose sum is σ = 61271147520. Its totient is φ = 2508226560.

The previous prime is 13313001209. The next prime is 13313001241. The reversal of 13313001240 is 4210031331.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13313001241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 319 ways as a sum of consecutive naturals, for example, 182369844 + ... + 182369916.

It is an arithmetic number, because the mean of its divisors is an integer number (47868084).

Almost surely, 213313001240 is an apocalyptic number.

13313001240 is a gapful number since it is divisible by the number (10) 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 13313001240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30635573760).

13313001240 is an abundant number, since it is smaller than the sum of its proper divisors (47958146280).

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

13313001240 is a wasteful number, since it uses less digits than its factorization.

13313001240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174 (or 161 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 13313001240 its reverse (4210031331), we get a palindrome (17523032571).

The spelling of 13313001240 in words is "thirteen billion, three hundred thirteen million, one thousand, two hundred forty".