Base | Representation |
---|---|
bin | 111111100001001… |
… | …1011001110101101 |
3 | 12111112111101220222 |
4 | 1333002123032231 |
5 | 13331110423003 |
6 | 551254021125 |
7 | 103550052545 |
oct | 17702331655 |
9 | 5445441828 |
10 | 2131342253 |
11 | 9a40a5a87 |
12 | 4b59477a5 |
13 | 27c742a81 |
14 | 1630c8325 |
15 | c71a8c38 |
hex | 7f09b3ad |
2131342253 has 4 divisors (see below), whose sum is σ = 2135946048. Its totient is φ = 2126738460.
The previous prime is 2131342249. The next prime is 2131342259. The reversal of 2131342253 is 3522431312.
It is a happy number.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 2131342253 - 22 = 2131342249 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2131342259) 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, 2301203 + ... + 2302128.
It is an arithmetic number, because the mean of its divisors is an integer number (533986512).
Almost surely, 22131342253 is an apocalyptic number.
It is an amenable number.
2131342253 is a deficient number, since it is larger than the sum of its proper divisors (4603795).
2131342253 is an equidigital number, since it uses as much as digits as its factorization.
2131342253 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4603794.
The product of its digits is 4320, while the sum is 26.
The square root of 2131342253 is about 46166.4624267444. The cubic root of 2131342253 is about 1286.9185617041.
Adding to 2131342253 its reverse (3522431312), we get a palindrome (5653773565).
The spelling of 2131342253 in words is "two billion, one hundred thirty-one million, three hundred forty-two thousand, two hundred fifty-three".
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