Search a number
-
+
55130213120000 = 21154371164067
BaseRepresentation
bin11001000100100000000001…
…10001001111100000000000
321020012101201100020020212012
430202100000301033200000
524211223134024320000
6313130245324552052
714420012034430604
oct1442200061174000
9236171640206765
1055130213120000
1116625657078a07
1262247309b2628
13249b9ab88aa75
14d88460895504
156590e3c91735
hex322400c4f800

55130213120000 has 240 divisors, whose sum is σ = 141470825375880. Its totient is φ = 21456064512000.

The previous prime is 55130213119979. The next prime is 55130213120011. The reversal of 55130213120000 is 2131203155.

It is a happy number.

It is a congruent number.

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 19 ways as a sum of consecutive naturals, for example, 46777967 + ... + 47942033.

Almost surely, 255130213120000 is an apocalyptic number.

55130213120000 is a gapful number since it is divisible by the number (50) 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 55130213120000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70735412687940).

55130213120000 is an abundant number, since it is smaller than the sum of its proper divisors (86340612255880).

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

55130213120000 is an equidigital number, since it uses as much as digits as its factorization.

55130213120000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1164146 (or 1164111 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 23.

Adding to 55130213120000 its reverse (2131203155), we get a palindrome (55132344323155).

The spelling of 55130213120000 in words is "fifty-five trillion, one hundred thirty billion, two hundred thirteen million, one hundred twenty thousand".