Search a number
-
+
13200121424400 = 24352235359152947
BaseRepresentation
bin1100000000010110010010…
…0011000110101000010000
31201201220211011021012201220
43000011210203012220100
53212232322041040100
644024015125125040
72531451212551401
oct300054443065020
951656734235656
1013200121424400
11422a15a465939
121592331b59780
137499c61ac941
14338c642b39a8
1517d5735e3aa0
hexc01648c6a10

13200121424400 has 480 divisors, whose sum is σ = 45717601029120. Its totient is φ = 3247447357440.

The previous prime is 13200121424363. The next prime is 13200121424419. The reversal of 13200121424400 is 442412100231.

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

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 86228727 + ... + 86381673.

It is an arithmetic number, because the mean of its divisors is an integer number (95245002144).

Almost surely, 213200121424400 is an apocalyptic number.

13200121424400 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 13200121424400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22858800514560).

13200121424400 is an abundant number, since it is smaller than the sum of its proper divisors (32517479604720).

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

13200121424400 is a wasteful number, since it uses less digits than its factorization.

13200121424400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153103 (or 153092 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 13200121424400 its reverse (442412100231), we get a palindrome (13642533524631).

The spelling of 13200121424400 in words is "thirteen trillion, two hundred billion, one hundred twenty-one million, four hundred twenty-four thousand, four hundred".