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2201202009 = 32244578001
BaseRepresentation
bin1000001100110011…
…1010110101011001
312200101221122111100
42003030322311121
514002001431014
61002231222013
7105355623366
oct20314726531
95611848440
102201202009
11a2a580716
12515217909
132910627c6
1416c4b146d
15cd3a8009
hex8333ad59

2201202009 has 6 divisors (see below), whose sum is σ = 3179514026. Its totient is φ = 1467468000.

The previous prime is 2201202001. The next prime is 2201202037. The reversal of 2201202009 is 9002021022.

2201202009 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 1783203984 + 417998025 = 42228^2 + 20445^2 .

It is not a de Polignac number, because 2201202009 - 23 = 2201202001 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2201201982 and 2201202000.

It is not an unprimeable number, because it can be changed into a prime (2201202001) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 122288992 + ... + 122289009.

Almost surely, 22201202009 is an apocalyptic number.

It is an amenable number.

2201202009 is a deficient number, since it is larger than the sum of its proper divisors (978312017).

2201202009 is a wasteful number, since it uses less digits than its factorization.

2201202009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244578007 (or 244578004 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 2201202009 is about 46916.9693074904. The cubic root of 2201202009 is about 1300.8282707899.

The spelling of 2201202009 in words is "two billion, two hundred one million, two hundred two thousand, nine".

Divisors: 1 3 9 244578001 733734003 2201202009