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2002221002 = 21758888853
BaseRepresentation
bin111011101010111…
…0111011111001010
312011112112100212102
41313111313133022
513100032033002
6530402313402
7100421412005
oct16725673712
95145470772
102002221002
11938224301
1247a658862
1325ba74272
1414dcb653c
15baba0a02
hex775777ca

2002221002 has 8 divisors (see below), whose sum is σ = 3179998116. Its totient is φ = 942221632.

The previous prime is 2002220999. The next prime is 2002221029. The reversal of 2002221002 is 2001222002.

It can be written as a sum of positive squares in 2 ways, for example, as 1499160961 + 503060041 = 38719^2 + 22429^2 .

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

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, 29444393 + ... + 29444460.

Almost surely, 22002221002 is an apocalyptic number.

2002221002 is a deficient number, since it is larger than the sum of its proper divisors (1177777114).

2002221002 is a wasteful number, since it uses less digits than its factorization.

2002221002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58888872.

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 2002221002 is about 44746.1842172045. The cubic root of 2002221002 is about 1260.3872585577.

Adding to 2002221002 its reverse (2001222002), we get a palindrome (4003443004).

The spelling of 2002221002 in words is "two billion, two million, two hundred twenty-one thousand, two".

Divisors: 1 2 17 34 58888853 117777706 1001110501 2002221002