Base | Representation |
---|---|
bin | 111111100000110… |
… | …0101110010001110 |
3 | 12111112002021122011 |
4 | 1333001211302032 |
5 | 13331031421332 |
6 | 551245211434 |
7 | 103545151405 |
oct | 17701456216 |
9 | 5445067564 |
10 | 2131123342 |
11 | 9a3a66567 |
12 | 4b5860b7a |
13 | 27c69723a |
14 | 16306c63c |
15 | c7163e47 |
hex | 7f065c8e |
2131123342 has 8 divisors (see below), whose sum is σ = 3196906056. Its totient is φ = 1065487992.
The previous prime is 2131123333. The next prime is 2131123363. The reversal of 2131123342 is 2433211312.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12568 + ... + 66484.
It is an arithmetic number, because the mean of its divisors is an integer number (399613257).
Almost surely, 22131123342 is an apocalyptic number.
2131123342 is a deficient number, since it is larger than the sum of its proper divisors (1065782714).
2131123342 is a wasteful number, since it uses less digits than its factorization.
2131123342 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 73682.
The product of its digits is 864, while the sum is 22.
The square root of 2131123342 is about 46164.0914781175. The cubic root of 2131123342 is about 1286.8745002252.
Adding to 2131123342 its reverse (2433211312), we get a palindrome (4564334654).
The spelling of 2131123342 in words is "two billion, one hundred thirty-one million, one hundred twenty-three thousand, three hundred forty-two".
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