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2010344021 = 72411000669
BaseRepresentation
bin111011111010011…
…0110101001010101
312012002211001112222
41313310312221111
513104122002041
6531252352125
7100550433200
oct16764665125
95162731488
102010344021
11941872244
12481315645
1326065969a
14150dcc937
15bb75774b
hex77d36a55

2010344021 has 12 divisors (see below), whose sum is σ = 2395603980. Its totient is φ = 1681122240.

The previous prime is 2010343997. The next prime is 2010344059. The reversal of 2010344021 is 1204430102.

It can be written as a sum of positive squares in 2 ways, for example, as 141943396 + 1868400625 = 11914^2 + 43225^2 .

It is a de Polignac number, because none of the positive numbers 2k-2010344021 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2010344081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 498326 + ... + 502343.

It is an arithmetic number, because the mean of its divisors is an integer number (199633665).

Almost surely, 22010344021 is an apocalyptic number.

It is an amenable number.

2010344021 is a deficient number, since it is larger than the sum of its proper divisors (385259959).

2010344021 is a wasteful number, since it uses less digits than its factorization.

2010344021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000724 (or 1000717 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 2010344021 is about 44836.8600707052. The cubic root of 2010344021 is about 1262.0894241952.

Adding to 2010344021 its reverse (1204430102), we get a palindrome (3214774123).

The spelling of 2010344021 in words is "two billion, ten million, three hundred forty-four thousand, twenty-one".

Divisors: 1 7 41 49 287 2009 1000669 7004683 41027429 49032781 287192003 2010344021