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2143041143 = 2950172643
BaseRepresentation
bin111111110111100…
…0011011001110111
312112100111202210012
41333233003121313
513342104304033
6552352450435
7104051356235
oct17757033167
95470452705
102143041143
119aa766591
124b9849a1b
13281caa9a9
14164891955
15c821a248
hex7fbc3677

2143041143 has 4 divisors (see below), whose sum is σ = 2143143288. Its totient is φ = 2142939000.

The previous prime is 2143041107. The next prime is 2143041151. The reversal of 2143041143 is 3411403412.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2143041143 - 212 = 2143037047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2143041343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6821 + ... + 65822.

It is an arithmetic number, because the mean of its divisors is an integer number (535785822).

Almost surely, 22143041143 is an apocalyptic number.

2143041143 is a deficient number, since it is larger than the sum of its proper divisors (102145).

2143041143 is an equidigital number, since it uses as much as digits as its factorization.

2143041143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102144.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 2143041143 is about 46292.9923746564. The cubic root of 2143041143 is about 1289.2688890463.

Adding to 2143041143 its reverse (3411403412), we get a palindrome (5554444555).

The spelling of 2143041143 in words is "two billion, one hundred forty-three million, forty-one thousand, one hundred forty-three".

Divisors: 1 29501 72643 2143041143