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2143240006 = 21975354251
BaseRepresentation
bin111111110111111…
…0011111101000110
312112100212212120111
41333233303331012
513342132140011
6552401023234
7104053145065
oct17757637506
95470785514
102143240006
119aa891a36
124b9924b1a
1328204a36b
141649041dc
15c8259121
hex7fbf3f46

2143240006 has 8 divisors (see below), whose sum is σ = 3215082024. Its totient is φ = 1071546000.

The previous prime is 2143240003. The next prime is 2143240007. The reversal of 2143240006 is 6000423412.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2143240003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12381 + ... + 66631.

It is an arithmetic number, because the mean of its divisors is an integer number (401885253).

Almost surely, 22143240006 is an apocalyptic number.

2143240006 is a deficient number, since it is larger than the sum of its proper divisors (1071842018).

2143240006 is a wasteful number, since it uses less digits than its factorization.

2143240006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74006.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 2143240006 is about 46295.1401985133. The cubic root of 2143240006 is about 1289.3087669475.

Adding to 2143240006 its reverse (6000423412), we get a palindrome (8143663418).

The spelling of 2143240006 in words is "two billion, one hundred forty-three million, two hundred forty thousand, six".

Divisors: 1 2 19753 39506 54251 108502 1071620003 2143240006