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2142330443 = 111168116673
BaseRepresentation
bin111111110110001…
…0101111001001011
312112022011122212222
41333230111321023
513341414033233
6552325324255
7104042336231
oct17754257113
95468148788
102142330443
119aa320630
124b956668b
13281abc366
14164748951
15c8129898
hex7fb15e4b

2142330443 has 8 divisors (see below), whose sum is σ = 2337428016. Its totient is φ = 1947289600.

The previous prime is 2142330419. The next prime is 2142330479. The reversal of 2142330443 is 3440332412.

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 2142330443 - 216 = 2142264907 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2142330413) 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, 120155 + ... + 136827.

It is an arithmetic number, because the mean of its divisors is an integer number (292178502).

Almost surely, 22142330443 is an apocalyptic number.

2142330443 is a deficient number, since it is larger than the sum of its proper divisors (195097573).

2142330443 is a wasteful number, since it uses less digits than its factorization.

2142330443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28365.

The product of its (nonzero) digits is 6912, while the sum is 26.

The square root of 2142330443 is about 46285.3156303379. The cubic root of 2142330443 is about 1289.1263525532.

Adding to 2142330443 its reverse (3440332412), we get a palindrome (5582662855).

The spelling of 2142330443 in words is "two billion, one hundred forty-two million, three hundred thirty thousand, four hundred forty-three".

Divisors: 1 11 11681 16673 128491 183403 194757313 2142330443