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13113412400 = 24521117199227
BaseRepresentation
bin11000011011001111…
…01100101100110000
31020211220012101000202
430031213230230300
5203324013144100
610005121534332
7642651111014
oct141547545460
936756171022
1013113412400
11561a1a7910
12265b7a43a8
13130ca3032a
148c584c544
1551b3a57d5
hex30d9ecb30

13113412400 has 240 divisors, whose sum is σ = 38310226560. Its totient is φ = 4251340800.

The previous prime is 13113412399. The next prime is 13113412427. The reversal of 13113412400 is 421431131.

13113412400 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1416587 + ... + 1425813.

It is an arithmetic number, because the mean of its divisors is an integer number (159625944).

Almost surely, 213113412400 is an apocalyptic number.

13113412400 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 13113412400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19155113280).

13113412400 is an abundant number, since it is smaller than the sum of its proper divisors (25196814160).

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

13113412400 is a wasteful number, since it uses less digits than its factorization.

13113412400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9292 (or 9281 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 13113412400 its reverse (421431131), we get a palindrome (13534843531).

The spelling of 13113412400 in words is "thirteen billion, one hundred thirteen million, four hundred twelve thousand, four hundred".