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2143315343 = 131015916229
BaseRepresentation
bin111111111000000…
…0110010110001111
312112101000200220202
41333300012112033
513342142042333
6552402404115
7104053610531
oct17760062617
95471020822
102143315343
119aa9335a4
124b996063b
13282075740
14164923851
15c82715e8
hex7fc0658f

2143315343 has 8 divisors (see below), whose sum is σ = 2308555200. Its totient is φ = 1978128288.

The previous prime is 2143315333. The next prime is 2143315357. The reversal of 2143315343 is 3435133412.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2143315343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2143315333) 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, 123953 + ... + 140181.

It is an arithmetic number, because the mean of its divisors is an integer number (288569400).

Almost surely, 22143315343 is an apocalyptic number.

2143315343 is a deficient number, since it is larger than the sum of its proper divisors (165239857).

2143315343 is a wasteful number, since it uses less digits than its factorization.

2143315343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26401.

The product of its digits is 12960, while the sum is 29.

The square root of 2143315343 is about 46295.9538512816. The cubic root of 2143315343 is about 1289.3238735954.

Adding to 2143315343 its reverse (3435133412), we get a palindrome (5578448755).

The spelling of 2143315343 in words is "two billion, one hundred forty-three million, three hundred fifteen thousand, three hundred forty-three".

Divisors: 1 13 10159 16229 132067 210977 164870411 2143315343