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13520245200 = 24352711146323
BaseRepresentation
bin11001001011101111…
…01001000111010000
31021220020201121201020
430211313221013100
5210142140321300
610113333435440
7656021121330
oct144567510720
937806647636
1013520245200
11580890a370
122753a9bb80
1313760c49b7
149238b10c0
15541e688a0
hex325de91d0

13520245200 has 240 divisors, whose sum is σ = 53997067776. Its totient is φ = 2809382400.

The previous prime is 13520245199. The next prime is 13520245217. The reversal of 13520245200 is 254202531.

13520245200 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

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, 19239 + ... + 165561.

Almost surely, 213520245200 is an apocalyptic number.

13520245200 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 13520245200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26998533888).

13520245200 is an abundant number, since it is smaller than the sum of its proper divisors (40476822576).

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

13520245200 is a wasteful number, since it uses less digits than its factorization.

13520245200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146362 (or 146351 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

Adding to 13520245200 its reverse (254202531), we get a palindrome (13774447731).

The spelling of 13520245200 in words is "thirteen billion, five hundred twenty million, two hundred forty-five thousand, two hundred".