Base | Representation |
---|---|
bin | 111111100000110… |
… | …0011110011101010 |
3 | 12111112001212112011 |
4 | 1333001203303222 |
5 | 13331031141432 |
6 | 551245110134 |
7 | 103545115654 |
oct | 17701436352 |
9 | 5445055464 |
10 | 2131115242 |
11 | 9a3a60473 |
12 | 4b585834a |
13 | 27c693649 |
14 | 1630696d4 |
15 | c7161847 |
hex | 7f063cea |
2131115242 has 8 divisors (see below), whose sum is σ = 3197389536. Its totient is φ = 1065318732.
The previous prime is 2131115227. The next prime is 2131115269. The reversal of 2131115242 is 2425111312.
It is a sphenic number, since it is the product of 3 distinct primes.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108078 + ... + 126265.
It is an arithmetic number, because the mean of its divisors is an integer number (399673692).
Almost surely, 22131115242 is an apocalyptic number.
2131115242 is a deficient number, since it is larger than the sum of its proper divisors (1066274294).
2131115242 is a wasteful number, since it uses less digits than its factorization.
2131115242 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 238892.
The product of its digits is 480, while the sum is 22.
The square root of 2131115242 is about 46164.0037475087. The cubic root of 2131115242 is about 1286.8728698336.
Adding to 2131115242 its reverse (2425111312), we get a palindrome (4556226554).
The spelling of 2131115242 in words is "two billion, one hundred thirty-one million, one hundred fifteen thousand, two hundred forty-two".
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