Base | Representation |
---|---|
bin | 100000010110101000111… |
… | …111001111011100010000 |
3 | 21212112210220202002000100 |
4 | 200112220333033130100 |
5 | 242411341302231030 |
6 | 4421215111252400 |
7 | 316426161513366 |
oct | 40265077173420 |
9 | 7775726662010 |
10 | 2223333242640 |
11 | 787a01720594 |
12 | 2baa9197a100 |
13 | 1318759ac3a3 |
14 | 79877807636 |
15 | 3cc79b3a360 |
hex | 205a8fcf710 |
2223333242640 has 60 divisors (see below), whose sum is σ = 7466694142284. Its totient is φ = 592888864512.
The previous prime is 2223333242591. The next prime is 2223333242659. The reversal of 2223333242640 is 462423333222.
2223333242640 is a `hidden beast` number, since 2 + 2 + 2 + 3 + 3 + 3 + 3 + 2 + 4 + 2 + 640 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 1191337322256 + 1031995920384 = 1091484^2 + 1015872^2 .
It is a tau number, because it is divible by the number of its divisors (60).
It is a super-2 number, since 2×22233332426402 (a number of 25 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a junction number, because it is equal to n+sod(n) for n = 2223333242595 and 2223333242604.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1543980699 + ... + 1543982138.
Almost surely, 22223333242640 is an apocalyptic number.
2223333242640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2223333242640 is an abundant number, since it is smaller than the sum of its proper divisors (5243360899644).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2223333242640 is a wasteful number, since it uses less digits than its factorization.
2223333242640 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3087962856 (or 3087962847 counting only the distinct ones).
The product of its (nonzero) digits is 248832, while the sum is 36.
Adding to 2223333242640 its reverse (462423333222), we get a palindrome (2685756575862).
The spelling of 2223333242640 in words is "two trillion, two hundred twenty-three billion, three hundred thirty-three million, two hundred forty-two thousand, six hundred forty".
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