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2143045211 = 17736917107
BaseRepresentation
bin111111110111100…
…0100011001011011
312112100111222100212
41333233010121123
513342104421321
6552352521335
7104051404136
oct17757043133
95470458325
102143045211
119aa76964a
124b985024b
13281cac7b8
1416489321d
15c821b55b
hex7fbc465b

2143045211 has 8 divisors (see below), whose sum is σ = 2269547280. Its totient is φ = 2016592128.

The previous prime is 2143045193. The next prime is 2143045213. The reversal of 2143045211 is 1125403412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2143045211 - 26 = 2143045147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2143045213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116720 + ... + 133826.

It is an arithmetic number, because the mean of its divisors is an integer number (283693410).

Almost surely, 22143045211 is an apocalyptic number.

2143045211 is a deficient number, since it is larger than the sum of its proper divisors (126502069).

2143045211 is a wasteful number, since it uses less digits than its factorization.

2143045211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24493.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 2143045211 is about 46293.0363121712. The cubic root of 2143045211 is about 1289.2697048251.

Adding to 2143045211 its reverse (1125403412), we get a palindrome (3268448623).

The spelling of 2143045211 in words is "two billion, one hundred forty-three million, forty-five thousand, two hundred eleven".

Divisors: 1 17 7369 17107 125273 290819 126061483 2143045211