Base | Representation |
---|---|
bin | 100000011010010000110… |
… | …101100111000011010101 |
3 | 21212220212000001211220201 |
4 | 200122100311213003111 |
5 | 242442323044011041 |
6 | 4423101103100501 |
7 | 316624443260251 |
oct | 40322065470325 |
9 | 7786760054821 |
10 | 2227223032021 |
11 | 789618379959 |
12 | 2bb7985a1731 |
13 | 132045823900 |
14 | 79b2626d261 |
15 | 3ce06390631 |
hex | 20690d670d5 |
2227223032021 has 12 divisors (see below), whose sum is σ = 2412715169700. Its totient is φ = 2055055566720.
The previous prime is 2227223032019. The next prime is 2227223032063. The reversal of 2227223032021 is 1202303227222.
It can be written as a sum of positive squares in 6 ways, for example, as 1388874035025 + 838348996996 = 1178505^2 + 915614^2 .
It is not a de Polignac number, because 2227223032021 - 21 = 2227223032019 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 (2227223032421) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2286946 + ... + 3112003.
It is an arithmetic number, because the mean of its divisors is an integer number (201059597475).
Almost surely, 22227223032021 is an apocalyptic number.
It is an amenable number.
2227223032021 is a deficient number, since it is larger than the sum of its proper divisors (185492137679).
2227223032021 is a wasteful number, since it uses less digits than its factorization.
2227223032021 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5401416 (or 5401403 counting only the distinct ones).
The product of its (nonzero) digits is 8064, while the sum is 28.
Adding to 2227223032021 its reverse (1202303227222), we get a palindrome (3429526259243).
The spelling of 2227223032021 in words is "two trillion, two hundred twenty-seven billion, two hundred twenty-three million, thirty-two thousand, twenty-one".
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