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2143033404 = 223178586117
BaseRepresentation
bin111111110111100…
…0001100000111100
312112100111101011120
41333233001200330
513342104032104
6552352350540
7104051324541
oct17757014074
95470441146
102143033404
119aa760796
124b9845450
13281ca7305
1416488cbc8
15c8217cd9
hex7fbc183c

2143033404 has 12 divisors (see below), whose sum is σ = 5000411304. Its totient is φ = 714344464.

The previous prime is 2143033397. The next prime is 2143033421. The reversal of 2143033404 is 4043303412.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89293047 + ... + 89293070.

It is an arithmetic number, because the mean of its divisors is an integer number (416700942).

Almost surely, 22143033404 is an apocalyptic number.

It is an amenable number.

2143033404 is an abundant number, since it is smaller than the sum of its proper divisors (2857377900).

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

2143033404 is a wasteful number, since it uses less digits than its factorization.

2143033404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178586124 (or 178586122 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 2143033404 is about 46292.9087874158. The cubic root of 2143033404 is about 1289.2673370985.

Adding to 2143033404 its reverse (4043303412), we get a palindrome (6186336816).

The spelling of 2143033404 in words is "two billion, one hundred forty-three million, thirty-three thousand, four hundred four".

Divisors: 1 2 3 4 6 12 178586117 357172234 535758351 714344468 1071516702 2143033404