Base | Representation |
---|---|
bin | 10100100101101010… |
… | …001010010011001101 |
3 | 2010001122112221212220 |
4 | 110211222022103031 |
5 | 330233300130314 |
6 | 14053342045553 |
7 | 1411552250061 |
oct | 244552122315 |
9 | 63048487786 |
10 | 22106645709 |
11 | 9414697135 |
12 | 434b5798b9 |
13 | 2113c81665 |
14 | 10d9dc1aa1 |
15 | 895b973a9 |
hex | 525a8a4cd |
22106645709 has 8 divisors (see below), whose sum is σ = 29477928480. Its totient is φ = 14736563376.
The previous prime is 22106645689. The next prime is 22106645723. The reversal of 22106645709 is 90754660122.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 22106645709 - 213 = 22106637517 is a prime.
It is a super-2 number, since 2×221066457092 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22106645009) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 256222 + ... + 331455.
It is an arithmetic number, because the mean of its divisors is an integer number (3684741060).
Almost surely, 222106645709 is an apocalyptic number.
It is an amenable number.
22106645709 is a deficient number, since it is larger than the sum of its proper divisors (7371282771).
22106645709 is a wasteful number, since it uses less digits than its factorization.
22106645709 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 600219.
The product of its (nonzero) digits is 181440, while the sum is 42.
The spelling of 22106645709 in words is "twenty-two billion, one hundred six million, six hundred forty-five thousand, seven hundred nine".
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