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2143143234 = 232163730451
BaseRepresentation
bin111111110111101…
…1100010101000010
312112100200221211100
41333233130111002
513342121040414
6552354555230
7104052263001
oct17757342502
95470627740
102143143234
119aa826261
124b9898b16
132820152bb
141648bac38
15c823a609
hex7fbdc542

2143143234 has 24 divisors (see below), whose sum is σ = 4671970992. Its totient is φ = 709997400.

The previous prime is 2143143187. The next prime is 2143143241. The reversal of 2143143234 is 4323413412.

2143143234 is a `hidden beast` number, since 21 + 4 + 314 + 323 + 4 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 2143143198 and 2143143207.

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 11 ways as a sum of consecutive naturals, for example, 362292 + ... + 368159.

It is an arithmetic number, because the mean of its divisors is an integer number (194665458).

Almost surely, 22143143234 is an apocalyptic number.

2143143234 is an abundant number, since it is smaller than the sum of its proper divisors (2528827758).

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

2143143234 is a wasteful number, since it uses less digits than its factorization.

2143143234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 730622 (or 730619 counting only the distinct ones).

The product of its digits is 6912, while the sum is 27.

The square root of 2143143234 is about 46294.0950230156. The cubic root of 2143143234 is about 1289.2893616133.

Adding to 2143143234 its reverse (4323413412), we get a palindrome (6466556646).

The spelling of 2143143234 in words is "two billion, one hundred forty-three million, one hundred forty-three thousand, two hundred thirty-four".

Divisors: 1 2 3 6 9 18 163 326 489 978 1467 2934 730451 1460902 2191353 4382706 6574059 13148118 119063513 238127026 357190539 714381078 1071571617 2143143234