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2144134434 = 231322114531
BaseRepresentation
bin111111111001100…
…1110010100100010
312112102120022111110
41333303032110202
513342344300214
6552432124150
7104063561541
oct17763162442
95472508443
102144134434
11a00342a32
124ba096656
132822a1500
14164a98158
15c8384159
hex7fcce522

2144134434 has 24 divisors (see below), whose sum is σ = 4643512272. Its totient is φ = 659733360.

The previous prime is 2144134411. The next prime is 2144134471. The reversal of 2144134434 is 4344314412.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1056252 + ... + 1058279.

It is an arithmetic number, because the mean of its divisors is an integer number (193479678).

Almost surely, 22144134434 is an apocalyptic number.

2144134434 is an abundant number, since it is smaller than the sum of its proper divisors (2499377838).

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

2144134434 is a wasteful number, since it uses less digits than its factorization.

2144134434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2114562 (or 2114549 counting only the distinct ones).

The product of its digits is 18432, while the sum is 30.

The square root of 2144134434 is about 46304.7992545049. The cubic root of 2144134434 is about 1289.4880956705.

Adding to 2144134434 its reverse (4344314412), we get a palindrome (6488448846).

The spelling of 2144134434 in words is "two billion, one hundred forty-four million, one hundred thirty-four thousand, four hundred thirty-four".

Divisors: 1 2 3 6 13 26 39 78 169 338 507 1014 2114531 4229062 6343593 12687186 27488903 54977806 82466709 164933418 357355739 714711478 1072067217 2144134434