Base | Representation |
---|---|
bin | 1011101010101110… |
… | …1000111110101101 |
3 | 22002021102012100021 |
4 | 2322223220332231 |
5 | 22403243032341 |
6 | 1234441402141 |
7 | 140420402545 |
oct | 27253507655 |
9 | 8067365307 |
10 | 3132002221 |
11 | 1367a2a697 |
12 | 734a99351 |
13 | 3abb5146a |
14 | 219d68325 |
15 | 134e6a9d1 |
hex | baae8fad |
3132002221 has 4 divisors (see below), whose sum is σ = 3141028512. Its totient is φ = 3122975932.
The previous prime is 3132002213. The next prime is 3132002231. The reversal of 3132002221 is 1222002313.
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 3132002221 - 23 = 3132002213 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 3132002195 and 3132002204.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3132002231) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4512625 + ... + 4513318.
It is an arithmetic number, because the mean of its divisors is an integer number (785257128).
Almost surely, 23132002221 is an apocalyptic number.
It is an amenable number.
3132002221 is a deficient number, since it is larger than the sum of its proper divisors (9026291).
3132002221 is an equidigital number, since it uses as much as digits as its factorization.
3132002221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9026290.
The product of its (nonzero) digits is 144, while the sum is 16.
The square root of 3132002221 is about 55964.2941615455. The cubic root of 3132002221 is about 1463.1000341653.
Adding to 3132002221 its reverse (1222002313), we get a palindrome (4354004534).
The spelling of 3132002221 in words is "three billion, one hundred thirty-two million, two thousand, two hundred twenty-one".
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