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2143212535 = 53471235281
BaseRepresentation
bin111111110111110…
…1101001111110111
312112100211110220001
41333233231033313
513342130300120
6552400252131
7104053002022
oct17757551767
95470743801
102143212535
119aa873332
124b9911047
1328203a9c9
141648d81b9
15c8250e0a
hex7fbed3f7

2143212535 has 8 divisors (see below), whose sum is σ = 2579268816. Its totient is φ = 1709627520.

The previous prime is 2143212523. The next prime is 2143212623. The reversal of 2143212535 is 5352123412.

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

It is not a de Polignac number, because 2143212535 - 229 = 1606341623 is a prime.

It is a super-2 number, since 2×21432125352 = 9186719940362252450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 615906 + ... + 619375.

It is an arithmetic number, because the mean of its divisors is an integer number (322408602).

Almost surely, 22143212535 is an apocalyptic number.

2143212535 is a deficient number, since it is larger than the sum of its proper divisors (436056281).

2143212535 is a wasteful number, since it uses less digits than its factorization.

2143212535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1235633.

The product of its digits is 7200, while the sum is 28.

The square root of 2143212535 is about 46294.8435033536. The cubic root of 2143212535 is about 1289.3032583480.

Adding to 2143212535 its reverse (5352123412), we get a palindrome (7495335947).

The spelling of 2143212535 in words is "two billion, one hundred forty-three million, two hundred twelve thousand, five hundred thirty-five".

Divisors: 1 5 347 1735 1235281 6176405 428642507 2143212535