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2142134245 = 52112030459
BaseRepresentation
bin111111110101110…
…0101111111100101
312112021210200202101
41333223211333211
513341341243440
6552321212101
7104040561226
oct17753457745
95467720671
102142134245
119aa1a7189
124b9491031
13281a50c74
141646d724d
15c80db69a
hex7fae5fe5

2142134245 has 8 divisors (see below), whose sum is σ = 2582745120. Its totient is φ = 1705584720.

The previous prime is 2142134237. The next prime is 2142134261. The reversal of 2142134245 is 5424312412.

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

It is not a de Polignac number, because 2142134245 - 23 = 2142134237 is a prime.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1014175 + ... + 1016284.

It is an arithmetic number, because the mean of its divisors is an integer number (322843140).

Almost surely, 22142134245 is an apocalyptic number.

It is an amenable number.

2142134245 is a deficient number, since it is larger than the sum of its proper divisors (440610875).

2142134245 is a wasteful number, since it uses less digits than its factorization.

2142134245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2030675.

The product of its digits is 7680, while the sum is 28.

The square root of 2142134245 is about 46283.1961407161. The cubic root of 2142134245 is about 1289.0869979437.

Adding to 2142134245 its reverse (5424312412), we get a palindrome (7566446657).

The spelling of 2142134245 in words is "two billion, one hundred forty-two million, one hundred thirty-four thousand, two hundred forty-five".

Divisors: 1 5 211 1055 2030459 10152295 428426849 2142134245