Base | Representation |
---|---|
bin | 111111110110001… |
… | …0001111010001011 |
3 | 12112022010211111112 |
4 | 1333230101322023 |
5 | 13341413022443 |
6 | 552325120535 |
7 | 104042240525 |
oct | 17754217213 |
9 | 5468124445 |
10 | 2142314123 |
11 | 9aa30a344 |
12 | 4b955914b |
13 | 281ab4ac1 |
14 | 164742a15 |
15 | c8124b18 |
hex | 7fb11e8b |
2142314123 has 4 divisors (see below), whose sum is σ = 2142457008. Its totient is φ = 2142171240.
The previous prime is 2142314101. The next prime is 2142314261. The reversal of 2142314123 is 3214132412.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 2142314123 - 28 = 2142313867 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2142314623) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45911 + ... + 79952.
It is an arithmetic number, because the mean of its divisors is an integer number (535614252).
Almost surely, 22142314123 is an apocalyptic number.
2142314123 is a deficient number, since it is larger than the sum of its proper divisors (142885).
2142314123 is a wasteful number, since it uses less digits than its factorization.
2142314123 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 142884.
The product of its digits is 1152, while the sum is 23.
The square root of 2142314123 is about 46285.1393321874. The cubic root of 2142314123 is about 1289.1230790782.
Adding to 2142314123 its reverse (3214132412), we get a palindrome (5356446535).
The spelling of 2142314123 in words is "two billion, one hundred forty-two million, three hundred fourteen thousand, one hundred twenty-three".
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