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2012103430 = 25835414481
BaseRepresentation
bin111011111101110…
…0100001100000110
312012020010110000021
41313323210030012
513110044302210
6531354205354
7100601411521
oct16773441406
95166113007
102012103430
119428640a7
12481a2385a
13260b2445c
14151329bb8
15bb9a3bda
hex77ee4306

2012103430 has 32 divisors (see below), whose sum is σ = 3673016928. Its totient is φ = 793497600.

The previous prime is 2012103407. The next prime is 2012103451. The reversal of 2012103430 is 343012102.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 446790 + ... + 451270.

It is an arithmetic number, because the mean of its divisors is an integer number (114781779).

Almost surely, 22012103430 is an apocalyptic number.

2012103430 is a deficient number, since it is larger than the sum of its proper divisors (1660913498).

2012103430 is a wasteful number, since it uses less digits than its factorization.

2012103430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5112.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2012103430 is about 44856.4758981354. The cubic root of 2012103430 is about 1262.4575011672.

Adding to 2012103430 its reverse (343012102), we get a palindrome (2355115532).

The spelling of 2012103430 in words is "two billion, twelve million, one hundred three thousand, four hundred thirty".

Divisors: 1 2 5 10 83 166 415 541 830 1082 2705 4481 5410 8962 22405 44810 44903 89806 224515 371923 449030 743846 1859615 2424221 3719230 4848442 12121105 24242210 201210343 402420686 1006051715 2012103430