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2123440210 = 25792687899
BaseRepresentation
bin111111010010001…
…0010000001010010
312110222121221100201
41332210102001102
513322100041320
6550412405414
7103422641533
oct17644220122
95428557321
102123440210
1199a699071
124b317686a
1327ac070c8
1416202c68a
15c664770a
hex7e912052

2123440210 has 16 divisors (see below), whose sum is σ = 3870576000. Its totient is φ = 838624176.

The previous prime is 2123440183. The next prime is 2123440219. The reversal of 2123440210 is 120443212.

It is not an unprimeable number, because it can be changed into a prime (2123440219) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1343160 + ... + 1344739.

It is an arithmetic number, because the mean of its divisors is an integer number (241911000).

Almost surely, 22123440210 is an apocalyptic number.

2123440210 is a deficient number, since it is larger than the sum of its proper divisors (1747135790).

2123440210 is a wasteful number, since it uses less digits than its factorization.

2123440210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2687985.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 2123440210 is about 46080.8008827972. The cubic root of 2123440210 is about 1285.3261568183.

Adding to 2123440210 its reverse (120443212), we get a palindrome (2243883422).

The spelling of 2123440210 in words is "two billion, one hundred twenty-three million, four hundred forty thousand, two hundred ten".

Divisors: 1 2 5 10 79 158 395 790 2687899 5375798 13439495 26878990 212344021 424688042 1061720105 2123440210