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2143454335 = 51138971897
BaseRepresentation
bin111111111000010…
…1000010001111111
312112101021202120121
41333300220101333
513342211014320
6552405355411
7104055030001
oct17760502177
95471252517
102143454335
119aaa18a70
124b9a08b67
132820c3a99
1416495c371
15c829c8aa
hex7fc2847f

2143454335 has 8 divisors (see below), whose sum is σ = 2805976656. Its totient is φ = 1558875840.

The previous prime is 2143454329. The next prime is 2143454381. The reversal of 2143454335 is 5334543412.

It is a happy number.

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

It is not a de Polignac number, because 2143454335 - 27 = 2143454207 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 2143454335.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 19485894 + ... + 19486003.

It is an arithmetic number, because the mean of its divisors is an integer number (350747082).

Almost surely, 22143454335 is an apocalyptic number.

2143454335 is a deficient number, since it is larger than the sum of its proper divisors (662522321).

2143454335 is a wasteful number, since it uses less digits than its factorization.

2143454335 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38971913.

The product of its digits is 86400, while the sum is 34.

The square root of 2143454335 is about 46297.4549516493. The cubic root of 2143454335 is about 1289.3517434764.

Adding to 2143454335 its reverse (5334543412), we get a palindrome (7477997747).

The spelling of 2143454335 in words is "two billion, one hundred forty-three million, four hundred fifty-four thousand, three hundred thirty-five".

Divisors: 1 5 11 55 38971897 194859485 428690867 2143454335