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2125143412 = 227174464587
BaseRepresentation
bin111111010101011…
…0001110101110100
312111002211110201021
41332222301311310
513323014042122
6550513110524
7103443264250
oct17652616564
95432743637
102125143412
119a0651777
124b3858444
1327b382412
14162353260
15c68821c7
hex7eab1d74

2125143412 has 24 divisors (see below), whose sum is σ = 4500304704. Its totient is φ = 857200512.

The previous prime is 2125143409. The next prime is 2125143467. The reversal of 2125143412 is 2143415212.

It is a congruent number.

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, 2231818 + ... + 2232769.

It is an arithmetic number, because the mean of its divisors is an integer number (187512696).

Almost surely, 22125143412 is an apocalyptic number.

It is an amenable number.

2125143412 is an abundant number, since it is smaller than the sum of its proper divisors (2375161292).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2125143412 is a wasteful number, since it uses less digits than its factorization.

2125143412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4464615 (or 4464613 counting only the distinct ones).

The product of its digits is 1920, while the sum is 25.

The square root of 2125143412 is about 46099.2777817614. The cubic root of 2125143412 is about 1285.6697164538.

Adding to 2125143412 its reverse (2143415212), we get a palindrome (4268558624).

The spelling of 2125143412 in words is "two billion, one hundred twenty-five million, one hundred forty-three thousand, four hundred twelve".

Divisors: 1 2 4 7 14 17 28 34 68 119 238 476 4464587 8929174 17858348 31252109 62504218 75897979 125008436 151795958 303591916 531285853 1062571706 2125143412