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1922130000 = 2435547113
BaseRepresentation
bin111001010010001…
…0110000001010000
311221221211022200000
41302210112001100
512414031130000
6514421530000
765426556360
oct16244260120
94857738600
101922130000
118a6aa079a
12457873900
132482b163b
141433c89a0
15b3b30000
hex72916050

1922130000 has 600 divisors, whose sum is σ = 8037277248. Its totient is φ = 435456000.

The previous prime is 1922129999. The next prime is 1922130017. The reversal of 1922130000 is 312291.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (600).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 17009944 + ... + 17010056.

Almost surely, 21922130000 is an apocalyptic number.

1922130000 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 1922130000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4018638624).

1922130000 is an abundant number, since it is smaller than the sum of its proper divisors (6115147248).

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

1922130000 is an equidigital number, since it uses as much as digits as its factorization.

1922130000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163 (or 130 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 1922130000 is about 43842.1030517470. The cubic root of 1922130000 is about 1243.3524440006.

Adding to 1922130000 its reverse (312291), we get a palindrome (1922442291).

The spelling of 1922130000 in words is "one billion, nine hundred twenty-two million, one hundred thirty thousand".