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2143436371 = 29149496051
BaseRepresentation
bin111111111000010…
…0011111001010011
312112101020211221021
41333300203321103
513342204430441
6552405140311
7104054623426
oct17760437123
95471224837
102143436371
119aaa0651a
124b99ba697
132820b885b
141649559bd
15c82973d1
hex7fc23e53

2143436371 has 8 divisors (see below), whose sum is σ = 2232234000. Its totient is φ = 2055631200.

The previous prime is 2143436357. The next prime is 2143436459. The reversal of 2143436371 is 1736343412.

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 2143436371 - 229 = 1606565459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2143436671) by changing a digit.

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, 243705 + ... + 252346.

It is an arithmetic number, because the mean of its divisors is an integer number (279029250).

Almost surely, 22143436371 is an apocalyptic number.

2143436371 is a deficient number, since it is larger than the sum of its proper divisors (88797629).

2143436371 is a wasteful number, since it uses less digits than its factorization.

2143436371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 496229.

The product of its digits is 36288, while the sum is 34.

The square root of 2143436371 is about 46297.2609448982. The cubic root of 2143436371 is about 1289.3481415056.

Adding to 2143436371 its reverse (1736343412), we get a palindrome (3879779783).

The spelling of 2143436371 in words is "two billion, one hundred forty-three million, four hundred thirty-six thousand, three hundred seventy-one".

Divisors: 1 29 149 4321 496051 14385479 73911599 2143436371