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2142212311 = 97105121013
BaseRepresentation
bin111111110101111…
…1001000011010111
312112021221122211201
41333223321003113
513341401243221
6552323013331
7104041334641
oct17753710327
95467848751
102142212311
119aa24a8a8
124b950a247
13281a7a665
14164717891
15c8104891
hex7faf90d7

2142212311 has 8 divisors (see below), whose sum is σ = 2166459344. Its totient is φ = 2118009600.

The previous prime is 2142212309. The next prime is 2142212329. The reversal of 2142212311 is 1132122412.

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 2142212311 - 21 = 2142212309 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 (2142212411) 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, 91441 + ... + 112453.

It is an arithmetic number, because the mean of its divisors is an integer number (270807418).

Almost surely, 22142212311 is an apocalyptic number.

2142212311 is a deficient number, since it is larger than the sum of its proper divisors (24247033).

2142212311 is a wasteful number, since it uses less digits than its factorization.

2142212311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22161.

The product of its digits is 192, while the sum is 19.

The square root of 2142212311 is about 46284.0394844702. The cubic root of 2142212311 is about 1289.1026571931.

Adding to 2142212311 its reverse (1132122412), we get a palindrome (3274334723).

It can be divided in two parts, 21422 and 12311, that added together give a palindrome (33733).

The spelling of 2142212311 in words is "two billion, one hundred forty-two million, two hundred twelve thousand, three hundred eleven".

Divisors: 1 97 1051 21013 101947 2038261 22084663 2142212311