Search a number
-
+
223522400000000 = 21158319013
BaseRepresentation
bin110010110100101011011101…
…010000000101100000000000
31002022102112101101010110020102
4302310223131100011200000
5213244142333400000000
62111220434544101532
765036650305333503
oct6264533520054000
91068375341113212
10223522400000000
1165248354646052
12210a017b6048a8
1397950c1bb3b3a
143d2a782d0313a
151ac94e5a8e3d5
hexcb4add405800

223522400000000 has 432 divisors, whose sum is σ = 576754860951360. Its totient is φ = 86515200000000.

The previous prime is 223522399999999. The next prime is 223522400000021. The reversal of 223522400000000 is 4225322.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 24799995494 + ... + 24800004506.

Almost surely, 2223522400000000 is an apocalyptic number.

223522400000000 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 223522400000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (288377430475680).

223522400000000 is an abundant number, since it is smaller than the sum of its proper divisors (353232460951360).

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

223522400000000 is an frugal number, since it uses more digits than its factorization.

223522400000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9106 (or 9051 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

Adding to 223522400000000 its reverse (4225322), we get a palindrome (223522404225322).

The spelling of 223522400000000 in words is "two hundred twenty-three trillion, five hundred twenty-two billion, four hundred million", and thus it is an aban number.