Search a number
-
+
212541445200000 = 273557236171783
BaseRepresentation
bin110000010100111000101001…
…010101110101100010000000
31000212112202121202101011210210
4300110320221111311202000
5210324234334432400000
62032012105245154120
762524420101516450
oct6024705125654200
91025482552334723
10212541445200000
11617a4358964854
121ba07b57b5b940
1391797593c4bc7
143a6b0bcd0dd60
151988a563ec350
hexc14e29575880

212541445200000 has 1536 divisors, whose sum is σ = 843367701012480. Its totient is φ = 46367354880000.

The previous prime is 212541445199947. The next prime is 212541445200013. The reversal of 212541445200000 is 2544145212.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 119204399109 + ... + 119204400891.

It is an arithmetic number, because the mean of its divisors is an integer number (549067513680).

Almost surely, 2212541445200000 is an apocalyptic number.

212541445200000 is a gapful number since it is divisible by the number (20) 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 212541445200000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (421683850506240).

212541445200000 is an abundant number, since it is smaller than the sum of its proper divisors (630826255812480).

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

212541445200000 is an equidigital number, since it uses as much as digits as its factorization.

212541445200000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2472 (or 2440 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 30.

Adding to 212541445200000 its reverse (2544145212), we get a palindrome (212543989345212).

The spelling of 212541445200000 in words is "two hundred twelve trillion, five hundred forty-one billion, four hundred forty-five million, two hundred thousand".