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2142140314 = 21071070157
BaseRepresentation
bin111111110101110…
…0111011110011010
312112021211000002011
41333223213132122
513341341442224
6552321300134
7104040615016
oct17753473632
95467730064
102142140314
119aa2007a6
124b949464a
13281a53962
141646d9546
15c80dd394
hex7fae779a

2142140314 has 4 divisors (see below), whose sum is σ = 3213210474. Its totient is φ = 1071070156.

The previous prime is 2142140311. The next prime is 2142140323. The reversal of 2142140314 is 4130412412.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2027971089 + 114169225 = 45033^2 + 10685^2 .

It is not an unprimeable number, because it can be changed into a prime (2142140311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 535535077 + ... + 535535080.

Almost surely, 22142140314 is an apocalyptic number.

2142140314 is a deficient number, since it is larger than the sum of its proper divisors (1071070160).

2142140314 is a wasteful number, since it uses less digits than its factorization.

2142140314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1071070159.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 2142140314 is about 46283.2617044218. The cubic root of 2142140314 is about 1289.0882153373.

Adding to 2142140314 its reverse (4130412412), we get a palindrome (6272552726).

The spelling of 2142140314 in words is "two billion, one hundred forty-two million, one hundred forty thousand, three hundred fourteen".

Divisors: 1 2 1071070157 2142140314