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13011001200 = 24325210335089
BaseRepresentation
bin11000001111000010…
…00001111101110000
31020120202111100021100
430013201001331300
5203121304014300
65551022524400
7640265454051
oct140741017560
936522440240
1013011001200
11557740985a
122631436700
1312c47541a2
148b5dd0728
155123c6700
hex307841f70

13011001200 has 180 divisors, whose sum is σ = 45591454480. Its totient is φ = 3435816960.

The previous prime is 13011001193. The next prime is 13011001247. The reversal of 13011001200 is 210011031.

It is a tau number, because it is divible by the number of its divisors (180).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 353256 + ... + 388344.

Almost surely, 213011001200 is an apocalyptic number.

13011001200 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 13011001200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22795727240).

13011001200 is an abundant number, since it is smaller than the sum of its proper divisors (32580453280).

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

13011001200 is a wasteful number, since it uses less digits than its factorization.

13011001200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35216 (or 35202 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

Adding to 13011001200 its reverse (210011031), we get a palindrome (13221012231).

The spelling of 13011001200 in words is "thirteen billion, eleven million, one thousand, two hundred".