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2220002010 = 232524666689
BaseRepresentation
bin1000010001010010…
…1000101011011010
312201201022210020200
42010110220223122
514021310031020
61004142203030
7106004464032
oct20424505332
95651283220
102220002010
11a3a151406
1251b583476
13294c15975
14170ba68c2
15ced6d590
hex84528ada

2220002010 has 24 divisors (see below), whose sum is σ = 5772005460. Its totient is φ = 592000512.

The previous prime is 2220001963. The next prime is 2220002023. The reversal of 2220002010 is 102000222.

It can be written as a sum of positive squares in 2 ways, for example, as 1968430689 + 251571321 = 44367^2 + 15861^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 2220001983 and 2220002001.

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 11 ways as a sum of consecutive naturals, for example, 12333255 + ... + 12333434.

Almost surely, 22220002010 is an apocalyptic number.

2220002010 is an abundant number, since it is smaller than the sum of its proper divisors (3552003450).

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

2220002010 is a wasteful number, since it uses less digits than its factorization.

2220002010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24666702 (or 24666699 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

The square root of 2220002010 is about 47116.8972874912. The cubic root of 2220002010 is about 1304.5211437270.

Adding to 2220002010 its reverse (102000222), we get a palindrome (2322002232).

The spelling of 2220002010 in words is "two billion, two hundred twenty million, two thousand, ten".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 24666689 49333378 74000067 123333445 148000134 222000201 246666890 370000335 444000402 740000670 1110001005 2220002010