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22330321040 = 245279129013
BaseRepresentation
bin10100110010111111…
…011010100010010000
32010122020102211202102
4110302333122202100
5331213030233130
614131452135532
71420236411536
oct246277324220
963566384672
1022330321040
11951997a785
1243b24675a8
13214b407c21
14111b9a8156
158aa62b645
hex532fda890

22330321040 has 20 divisors (see below), whose sum is σ = 51917996604. Its totient is φ = 8932128384.

The previous prime is 22330321033. The next prime is 22330321073. The reversal of 22330321040 is 4012303322.

It can be written as a sum of positive squares in 2 ways, for example, as 17258602384 + 5071718656 = 131372^2 + 71216^2 .

It is a tau number, because it is divible by the number of its divisors (20).

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 (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139564427 + ... + 139564586.

Almost surely, 222330321040 is an apocalyptic number.

22330321040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22330321040 is an abundant number, since it is smaller than the sum of its proper divisors (29587675564).

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

22330321040 is a wasteful number, since it uses less digits than its factorization.

22330321040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279129026 (or 279129020 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 22330321040 its reverse (4012303322), we get a palindrome (26342624362).

The spelling of 22330321040 in words is "twenty-two billion, three hundred thirty million, three hundred twenty-one thousand, forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 279129013 558258026 1116516052 1395645065 2233032104 2791290130 4466064208 5582580260 11165160520 22330321040