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13489132800 = 283521113173
BaseRepresentation
bin11001001000000001…
…11101010100000000
31021211002011221112010
430210000331110000
5210111204222200
610110302532520
7655162510533
oct144400752400
937732157463
1013489132800
1157a229a140
122745597140
13136c8205b0
1491d6d2a1a
1553e370150
hex32403d500

13489132800 has 864 divisors, whose sum is σ = 55567693440. Its totient is φ = 2840985600.

The previous prime is 13489132781. The next prime is 13489132801. The reversal of 13489132800 is 823198431.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13489132801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 793478392 + ... + 793478408.

It is an arithmetic number, because the mean of its divisors is an integer number (64314460).

Almost surely, 213489132800 is an apocalyptic number.

13489132800 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 13489132800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27783846720).

13489132800 is an abundant number, since it is smaller than the sum of its proper divisors (42078560640).

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

13489132800 is a wasteful number, since it uses less digits than its factorization.

13489132800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104 (or 51 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 39.

The spelling of 13489132800 in words is "thirteen billion, four hundred eighty-nine million, one hundred thirty-two thousand, eight hundred".