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2143442411 = 111396732083
BaseRepresentation
bin111111111000010…
…0101010111101011
312112101021011012222
41333300211113223
513342210124121
6552405224255
7104054650145
oct17760452753
95471234188
102143442411
119aaa10010
124b9a0208b
132820bb526
14164957c95
15c82990ab
hex7fc255eb

2143442411 has 16 divisors (see below), whose sum is σ = 2359754880. Its totient is φ = 1930763520.

The previous prime is 2143442369. The next prime is 2143442417. The reversal of 2143442411 is 1142443412.

It is a cyclic number.

It is not a de Polignac number, because 2143442411 - 26 = 2143442347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2143442417) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1027976 + ... + 1030058.

It is an arithmetic number, because the mean of its divisors is an integer number (147484680).

Almost surely, 22143442411 is an apocalyptic number.

2143442411 is a deficient number, since it is larger than the sum of its proper divisors (216312469).

2143442411 is a wasteful number, since it uses less digits than its factorization.

2143442411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2906.

The product of its digits is 3072, while the sum is 26.

The square root of 2143442411 is about 46297.3261754931. The cubic root of 2143442411 is about 1289.3493525913.

Adding to 2143442411 its reverse (1142443412), we get a palindrome (3285885823).

The spelling of 2143442411 in words is "two billion, one hundred forty-three million, four hundred forty-two thousand, four hundred eleven".

Divisors: 1 11 139 673 1529 2083 7403 22913 93547 289537 1029017 1401859 3184907 15420449 194858401 2143442411