Search a number
-
+
13214432000 = 285371131173
BaseRepresentation
bin11000100111010010…
…00011101100000000
31021002221021200212102
430103221003230000
5204030343311000
610023131045532
7645315550550
oct142351035400
937087250772
1013214432000
115671225390
1226895a08a8
13132793cc43
148d5027160
155251ac3d5
hex313a43b00

13214432000 has 576 divisors, whose sum is σ = 42610434048. Its totient is φ = 3962880000.

The previous prime is 13214431991. The next prime is 13214432047. The reversal of 13214432000 is 23441231.

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 (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 76383914 + ... + 76384086.

It is an arithmetic number, because the mean of its divisors is an integer number (73976448).

Almost surely, 213214432000 is an apocalyptic number.

13214432000 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 13214432000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21305217024).

13214432000 is an abundant number, since it is smaller than the sum of its proper divisors (29396002048).

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

13214432000 is a wasteful number, since it uses less digits than its factorization.

13214432000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253 (or 229 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 13214432000 its reverse (23441231), we get a palindrome (13237873231).

The spelling of 13214432000 in words is "thirteen billion, two hundred fourteen million, four hundred thirty-two thousand".