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2143630711 = 19432623783
BaseRepresentation
bin111111111000101…
…0011010101110111
312112101121201112001
41333301103111313
513342232140321
6552413240131
7104056363135
oct17761232567
95471551461
102143630711
11a00029532
124b9a93047
13282156151
141649a6755
15c82d4c91
hex7fc53577

2143630711 has 8 divisors (see below), whose sum is σ = 2308929920. Its totient is φ = 1983579192.

The previous prime is 2143630649. The next prime is 2143630721. The reversal of 2143630711 is 1170363412.

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 2143630711 - 27 = 2143630583 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2143630711.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2143630721) 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, 1311075 + ... + 1312708.

It is an arithmetic number, because the mean of its divisors is an integer number (288616240).

Almost surely, 22143630711 is an apocalyptic number.

2143630711 is a deficient number, since it is larger than the sum of its proper divisors (165299209).

2143630711 is a wasteful number, since it uses less digits than its factorization.

2143630711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2623845.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 2143630711 is about 46299.3597255945. The cubic root of 2143630711 is about 1289.3871076488.

The spelling of 2143630711 in words is "two billion, one hundred forty-three million, six hundred thirty thousand, seven hundred eleven".

Divisors: 1 19 43 817 2623783 49851877 112822669 2143630711