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2144402210 = 25809326497
BaseRepresentation
bin111111111010000…
…1111101100100010
312112110001220211002
41333310033230202
513342431332320
6552441552002
7104066055326
oct17764175442
95473056732
102144402210
11a00506135
124ba1a5602
13282366362
14164b27986
15c83d8675
hex7fd0fb22

2144402210 has 16 divisors (see below), whose sum is σ = 3860546616. Its totient is φ = 857622528.

The previous prime is 2144402209. The next prime is 2144402233. The reversal of 2144402210 is 122044412.

It can be written as a sum of positive squares in 4 ways, for example, as 2013047689 + 131354521 = 44867^2 + 11461^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 67682 + ... + 94178.

Almost surely, 22144402210 is an apocalyptic number.

2144402210 is a deficient number, since it is larger than the sum of its proper divisors (1716144406).

2144402210 is a wasteful number, since it uses less digits than its factorization.

2144402210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34597.

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 2144402210 is about 46307.6906139790. The cubic root of 2144402210 is about 1289.5417738332.

Adding to 2144402210 its reverse (122044412), we get a palindrome (2266446622).

The spelling of 2144402210 in words is "two billion, one hundred forty-four million, four hundred two thousand, two hundred ten".

Divisors: 1 2 5 10 8093 16186 26497 40465 52994 80930 132485 264970 214440221 428880442 1072201105 2144402210