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2028181002 = 23338030167
BaseRepresentation
bin111100011100011…
…1001011000001010
312020100101021021220
41320320321120022
513123203243002
6533130542510
7101155153101
oct17070713012
95210337256
102028181002
11950945451
12487297a36
13264263403
14153513038
15bd0cc7bc
hex78e3960a

2028181002 has 8 divisors (see below), whose sum is σ = 4056362016. Its totient is φ = 676060332.

The previous prime is 2028180977. The next prime is 2028181019. The reversal of 2028181002 is 2001818202.

It is a sphenic number, since it is the product of 3 distinct primes.

2028181002 is an admirable number.

It is a super-3 number, since 3×20281810023 (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 169015078 + ... + 169015089.

It is an arithmetic number, because the mean of its divisors is an integer number (507045252).

Almost surely, 22028181002 is an apocalyptic number.

2028181002 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2028181002 is a wasteful number, since it uses less digits than its factorization.

2028181002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338030172.

The product of its (nonzero) digits is 512, while the sum is 24.

The square root of 2028181002 is about 45035.3305972100. The cubic root of 2028181002 is about 1265.8111108818.

Adding to 2028181002 its reverse (2001818202), we get a palindrome (4029999204).

The spelling of 2028181002 in words is "two billion, twenty-eight million, one hundred eighty-one thousand, two".

Divisors: 1 2 3 6 338030167 676060334 1014090501 2028181002