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2123140430 = 25933722739
BaseRepresentation
bin111111010001100…
…1000110101001110
312110222001201010202
41332203020311032
513322010443210
6550402133502
7103420252535
oct17643106516
95428051122
102123140430
1199a503914
124b3051292
1327ab30818
14161d9131c
15c65d89a5
hex7e8c8d4e

2123140430 has 16 divisors (see below), whose sum is σ = 3822230160. Its totient is φ = 849127872.

The previous prime is 2123140423. The next prime is 2123140451. The reversal of 2123140430 is 340413212.

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 7 ways as a sum of consecutive naturals, for example, 82001 + ... + 104739.

It is an arithmetic number, because the mean of its divisors is an integer number (238889385).

Almost surely, 22123140430 is an apocalyptic number.

2123140430 is a deficient number, since it is larger than the sum of its proper divisors (1699089730).

2123140430 is a wasteful number, since it uses less digits than its factorization.

2123140430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32083.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 2123140430 is about 46077.5480033389. The cubic root of 2123140430 is about 1285.2656679934.

Adding to 2123140430 its reverse (340413212), we get a palindrome (2463553642).

The spelling of 2123140430 in words is "two billion, one hundred twenty-three million, one hundred forty thousand, four hundred thirty".

Divisors: 1 2 5 10 9337 18674 22739 45478 46685 93370 113695 227390 212314043 424628086 1061570215 2123140430